Patents by Inventor Gary F. Prokop

Gary F. Prokop has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5890588
    Abstract: Disclosed herein is a combined toilet bowl cleaning brush and storage container system. The brush is provided with a disk shaped wall which rests on an internal sealing ledge of the container. A entry deterent latching system is provided above the disk shaped wall to hold the wall in place and seal the container. A plurality of steps are required to unlatch the brush prior to use.
    Type: Grant
    Filed: September 23, 1997
    Date of Patent: April 6, 1999
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: Stephen B. Leonard, Gary F. Prokop, William A. Lee
  • Patent number: 5542921
    Abstract: A breast pump includes a housing, a suction unit mounted in the housing, a rippled funnel for engaging a mother's breast, and an adapter for interconnecting same. The adapter is configured to sealingly support the funnel, frictionally sealingly support a bottle for collecting milk, and frictionally sealingly engage the housing. The adapter includes a tubular protrusion/stem defining a passageway for communicating air from the bottle to the suction unit to create a vacuum in the bottle. A pair of "O" rings are positioned on the protrusion to sealingly and stably engage the housing. A check valve is located in the protrusion to prevent back flow of milk from the bottle to the suction unit. The housing includes an outer surface defining a hand grip, and vacuum adjustment controls including a wheel for fine vacuum adjustment and a vacuum releasing push bottom are conveniently positioned on the hand grip.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: August 6, 1996
    Assignee: Gerber Products Company
    Inventors: Brenda J. Meyers, Donald W. Herritz, Jean L. Johansen, William B. Hudson, Jr., Randall P. Bell, Gary F. Prokop, James F. Caruso, James l. Allen
  • Patent number: 5440089
    Abstract: A lockout assembly for an electric press alternately operable by either a foot switch or a table switch includes a lock knob. An annular switch ring is rotatably mounted beneath the lock knob. The annular switch ring includes a release opening. The switch ring is rotatable between a locking position in which the release opening is out of alignment with an actuating lever of the table switch, and a release position in which the release opening is in alignment with the actuating lever of the table switch.
    Type: Grant
    Filed: January 6, 1995
    Date of Patent: August 8, 1995
    Assignee: General Binding Corporation
    Inventor: Gary F. Prokop
  • Patent number: D336716
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: June 22, 1993
    Assignee: Postal Buddy Corporation
    Inventors: Randall P. Bell, Walter B. Herbst, Gary F. Prokop, Paul D. Hurley, Thomas E. Salisbury, Sidney R. Goodman
  • Patent number: D353604
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: December 20, 1994
    Assignee: General Binding Corporation
    Inventors: Gary F. Prokop, Randall P. Bell, Walter B. Herbst
  • Patent number: D355143
    Type: Grant
    Filed: April 29, 1994
    Date of Patent: February 7, 1995
    Assignee: Seatt Corporation
    Inventors: William A. Lee, Gary F. Prokop
  • Patent number: D372975
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: August 20, 1996
    Assignee: Gerber Products Company
    Inventors: Brenda J. Meyers, Donald W. Herritz, Jean L. Johansen, William B. Hudson, Jr., Randall P. Bell, Gary F. Prokop, James F. Caruso, James L. Allen
  • Patent number: D376594
    Type: Grant
    Filed: November 16, 1995
    Date of Patent: December 17, 1996
    Assignee: GTE Airfone Incorporated
    Inventors: William E. Hogg, Mark D. Dziersk, James C. Hand, Gary F. Prokop, Bruce Odessky
  • Patent number: D399565
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: October 13, 1998
    Assignee: Abbott Laboratories
    Inventors: Gary F. Prokop, Joshua P. Goldfarb
  • Patent number: D399959
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: October 20, 1998
    Assignee: Abbott Laboratories
    Inventors: Gary F. Prokop, Joshua P. Goldfarb
  • Patent number: D399960
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: October 20, 1998
    Assignee: Abbott Laboratories
    Inventors: Gary F. Prokop, Joshua P. Goldfarb, Gregory J. Holderfield
  • Patent number: D402369
    Type: Grant
    Filed: January 24, 1997
    Date of Patent: December 8, 1998
    Assignee: Abbott Laboratories
    Inventors: Gary F. Prokop, Joshua P. Goldfarb, Gregory J. Holderfield