Patents Issued in April 21, 1981
  • Boot buckling aid
    Patent number: D258920
    Type: Grant
    Filed: February 7, 1979
    Date of Patent: April 21, 1981
    Inventor: Carl A. White
  • Key-ring
    Patent number: D258921
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: April 21, 1981
    Inventor: Attilo Brentini
  • Hairbrush
    Patent number: D258922
    Type: Grant
    Filed: February 22, 1979
    Date of Patent: April 21, 1981
    Assignee: Stance Industries, Inc.
    Inventors: Sol Natman, Philip A. Thomas
  • Seat
    Patent number: D258923
    Type: Grant
    Filed: May 25, 1978
    Date of Patent: April 21, 1981
    Assignee: Trend Line Furniture Corporation
    Inventor: Samuel T. Collins
  • Chair or similar article
    Patent number: D258924
    Type: Grant
    Filed: July 25, 1978
    Date of Patent: April 21, 1981
    Assignee: Burd, Inc.
    Inventors: Robert L. Deschamps, Kenneth C. Schory
  • Goblet or similar article
    Patent number: D258925
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: April 21, 1981
    Assignee: Interdica S.A.
    Inventor: Alain D. Perrin
  • Toaster
    Patent number: D258926
    Type: Grant
    Filed: August 7, 1978
    Date of Patent: April 21, 1981
    Assignee: Bosch Siemens Hausgerate GmbH
    Inventor: Harry Hentschel
  • Portable grill
    Patent number: D258927
    Type: Grant
    Filed: October 31, 1979
    Date of Patent: April 21, 1981
    Inventor: Ronald Lee
  • Collapsible rack
    Patent number: D258928
    Type: Grant
    Filed: May 2, 1978
    Date of Patent: April 21, 1981
    Assignee: Johannes Buchsteiner GmbH & Co KG
    Inventor: Renate Buchsteiner nee Fetzer
  • Electric saw guide
    Patent number: D258929
    Type: Grant
    Filed: August 10, 1978
    Date of Patent: April 21, 1981
    Inventor: John G. Raer, Jr.
  • Water pump pliers
    Patent number: D258930
    Type: Grant
    Filed: September 29, 1977
    Date of Patent: April 21, 1981
    Assignee: Aktiebolaget Bahco Verktyg
    Inventor: Ulf H. Wahlberg
  • Reversible scissors
    Patent number: D258931
    Type: Grant
    Filed: June 9, 1978
    Date of Patent: April 21, 1981
    Inventor: Richard N. Hawkins
  • Graphic arts blade
    Patent number: D258932
    Type: Grant
    Filed: May 3, 1978
    Date of Patent: April 21, 1981
    Inventor: Walter B. Graham
  • Paper cutter
    Patent number: D258933
    Type: Grant
    Filed: July 14, 1978
    Date of Patent: April 21, 1981
    Inventor: Yuzo Takahashi
  • Floor outlet housing
    Patent number: D258934
    Type: Grant
    Filed: July 26, 1979
    Date of Patent: April 21, 1981
    Assignee: AMP Incorporated
    Inventor: Thomas J. Sotolongo
  • Combined bottle and stopper
    Patent number: D258935
    Type: Grant
    Filed: March 21, 1979
    Date of Patent: April 21, 1981
    Assignee: Owens-Illinois, Inc.
    Inventor: James E. Plummer
  • Bottle or similar article
    Patent number: D258936
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: April 21, 1981
    Assignee: Ethyl Corporation
    Inventor: Thomas H. Hayes
  • Container for liquids
    Patent number: D258937
    Type: Grant
    Filed: July 7, 1978
    Date of Patent: April 21, 1981
    Assignee: Sybron Corporation
    Inventor: Max R. Kneer
  • Packaging container for a novelty scroll
    Patent number: D258938
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: April 21, 1981
    Inventor: Mary R. Spitzer
  • Box
    Patent number: D258939
    Type: Grant
    Filed: September 21, 1978
    Date of Patent: April 21, 1981
    Assignee: American Cyanamid Company
    Inventor: Adam J. Grodin
  • Hand held soil probe for detecting solid objects
    Patent number: D258940
    Type: Grant
    Filed: February 2, 1978
    Date of Patent: April 21, 1981
    Inventor: Lowell F. Zelinski
  • Combined thermometer and holder for a calender, note paper and writing instruments
    Patent number: D258941
    Type: Grant
    Filed: September 1, 1978
    Date of Patent: April 21, 1981
    Inventor: Walter Henkels
  • Body caliper
    Patent number: D258942
    Type: Grant
    Filed: February 21, 1979
    Date of Patent: April 21, 1981
    Inventor: Morris Simon
  • Smoke detector
    Patent number: D258943
    Type: Grant
    Filed: April 4, 1978
    Date of Patent: April 21, 1981
    Assignee: Electronic Security Systems, Inc.
    Inventor: William W. Ng
  • Trophy
    Patent number: D258944
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: April 21, 1981
    Inventor: Alfredo A. Valdez
  • Sculpture
    Patent number: D258945
    Type: Grant
    Filed: August 25, 1978
    Date of Patent: April 21, 1981
    Inventor: Rocco M. Gabriella
  • Butterfly bow package decoration
    Patent number: D258946
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: April 21, 1981
    Inventor: Elaine V. Del Grosso
  • Cover for wrecker booms
    Patent number: D258947
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: April 21, 1981
    Assignee: Dover Corporation
    Inventors: Harold F. Carr, Jr., David F. Humphries
  • Pallet
    Patent number: D258948
    Type: Grant
    Filed: April 30, 1979
    Date of Patent: April 21, 1981
    Inventor: Ray H. Stump, Jr.
  • Travel trailer
    Patent number: D258949
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: April 21, 1981
    Inventor: Howard White
  • Car-top trunk
    Patent number: D258950
    Type: Grant
    Filed: June 21, 1978
    Date of Patent: April 21, 1981
    Assignee: Roto-Moulded Plastics Pty. Limited
    Inventor: Arthur R. Wright
  • Wheel for automobiles
    Patent number: D258951
    Type: Grant
    Filed: June 29, 1978
    Date of Patent: April 21, 1981
    Assignee: Kabushiki Kaisha Hayashi Racing
    Inventor: Masakazu Hayashi
  • Fan for automatic generator
    Patent number: D258952
    Type: Grant
    Filed: October 4, 1977
    Date of Patent: April 21, 1981
    Inventor: James E. Takayama
  • Solenoid cover
    Patent number: D258953
    Type: Grant
    Filed: December 4, 1978
    Date of Patent: April 21, 1981
    Assignee: Ross Operating Valve Company
    Inventor: John Mac
  • Cursor control for a display system
    Patent number: D258954
    Type: Grant
    Filed: August 15, 1978
    Date of Patent: April 21, 1981
    Assignee: International Business Machines Corporation
    Inventor: Nicholas M. Leon
  • Magnetic cassette duplicator
    Patent number: D258955
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: April 21, 1981
    Assignee: Pentagon Industries, Inc.
    Inventor: Matsuda Hari
  • Portable data entry terminal
    Patent number: D258956
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: April 21, 1981
    Assignee: Norand Corporation
    Inventor: George E. Chadima, Jr.
  • Keyboard housing
    Patent number: D258957
    Type: Grant
    Filed: May 22, 1978
    Date of Patent: April 21, 1981
    Assignee: Discovision Associates
    Inventors: Ernest M. Bevilacqua, Gordon P. Bruce, David C. Danielson, Daniel J. Formosa, Allen D. Hawthorne, Eliot F. Noyes deceased, by Peter C. Holcombe, Kurt Roehrs, Paul F. Siegel
  • Telephone set
    Patent number: D258958
    Type: Grant
    Filed: September 22, 1978
    Date of Patent: April 21, 1981
    Assignee: Oki Electric Industry Co., Ltd.
    Inventors: Hisao Fukushima, Yoshinori Kanda, Michio Ito, Norimi Koiwa
  • Printer
    Patent number: D258959
    Type: Grant
    Filed: July 28, 1978
    Date of Patent: April 21, 1981
    Assignee: Burroughs Corporation
    Inventors: Richard G. Clayton, Jerry J. Sims, Thomas W. Crump, Richard E. Carell
  • Sandmill
    Patent number: D258960
    Type: Grant
    Filed: August 17, 1977
    Date of Patent: April 21, 1981
    Assignee: Morehouse Industries, Inc.
    Inventor: John J. Corrigan
  • Manifold for magnetic drive pump
    Patent number: D258961
    Type: Grant
    Filed: December 11, 1978
    Date of Patent: April 21, 1981
    Assignee: Micropump Corporation
    Inventor: Thomas B. Martin
  • Vehicle mounted vacuum sweeper
    Patent number: D258962
    Type: Grant
    Filed: February 6, 1978
    Date of Patent: April 21, 1981
    Inventor: Jimmy W. Tate
  • Carpet extractor solution and recovery apparatus
    Patent number: D258963
    Type: Grant
    Filed: April 19, 1979
    Date of Patent: April 21, 1981
    Assignee: Clarke-Gravely Corporation
    Inventor: Paul E. Phillips
  • Electrophotographic apparatus
    Patent number: D258964
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: April 21, 1981
    Assignee: Xerox Corporation
    Inventors: Stephen K. Bright, Robert H. Van Valkinburgh
  • Sound insulating cover for a typewriter, teletype or the like
    Patent number: D258965
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: April 21, 1981
    Inventor: Berndt E. Frick
  • Astrological computer
    Patent number: D258966
    Type: Grant
    Filed: January 19, 1979
    Date of Patent: April 21, 1981
    Assignee: Kosmos International Ltd.
    Inventor: Ian S. McCrae
  • Combined tracing box and desk lamp assembly
    Patent number: D258967
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: April 21, 1981
    Inventor: William W. Rollinson
  • Directory
    Patent number: D258968
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: April 21, 1981
    Assignee: Crest Industries Corp.
    Inventor: Herbert Adler
  • Directory
    Patent number: D258969
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: April 21, 1981
    Assignee: Crest Industries Corp.
    Inventor: Herbert Adler