Patents by Inventor David P. Chuboff

David P. Chuboff 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: D244052
    Type: Grant
    Filed: April 4, 1975
    Date of Patent: April 12, 1977
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, David P. Chuboff
  • Patent number: D244232
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: May 3, 1977
    Assignee: Zenith Radio Corporation
    Inventors: Robert W. Becker, Melvin H. Boldt, David P. Chuboff
  • Patent number: D244961
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: July 5, 1977
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, David P. Chuboff, Wayne Franek
  • Patent number: D246713
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: December 20, 1977
    Assignee: Zenith Radio Corporation
    Inventors: Robert W. Becker, Melvin H. Boldt, David P. Chuboff
  • Patent number: D248025
    Type: Grant
    Filed: August 5, 1976
    Date of Patent: May 30, 1978
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, Richard K. Althans, David P. Chuboff
  • Patent number: D250763
    Type: Grant
    Filed: May 25, 1977
    Date of Patent: January 9, 1979
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, David P. Chuboff
  • Patent number: D253698
    Type: Grant
    Filed: August 8, 1977
    Date of Patent: December 18, 1979
    Assignee: Hy-Gain de Puerto Rico, Inc.
    Inventors: Stephen A. Nichols, David P. Chuboff
  • Patent number: D266423
    Type: Grant
    Filed: February 2, 1981
    Date of Patent: October 5, 1982
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, David P. Chuboff, Clement W. Trottier, Robert E. Slater
  • Patent number: D266668
    Type: Grant
    Filed: February 2, 1981
    Date of Patent: October 26, 1982
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, David P. Chuboff, Clement W. Trottier, Robert E. Slater
  • Patent number: D268684
    Type: Grant
    Filed: December 29, 1980
    Date of Patent: April 19, 1983
    Assignee: Bausch & Lomb Incorporated
    Inventors: David P. Chuboff, Francis J. Greb, Tom Takeuchi
  • Patent number: D268758
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: April 26, 1983
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, David P. Chuboff, Wayne J. Franek, Marilyn M. Johnson
  • Patent number: D270157
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: August 16, 1983
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, David P. Chuboff, Wayne J. Franek, Marilyn M. Johnson
  • Patent number: D270354
    Type: Grant
    Filed: September 4, 1980
    Date of Patent: August 30, 1983
    Assignee: Bausch & Lomb Incorporated
    Inventors: Melvin H. Boldt, David P. Chuboff, Tom Takeuchi
  • Patent number: D275952
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: October 16, 1984
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, deceased, by Melvin W. Boldt, executor, David P. Chuboff, Wayne J. Franek
  • Patent number: D275953
    Type: Grant
    Filed: March 1, 1982
    Date of Patent: October 16, 1984
    Assignee: Zenith Radio Corporation
    Inventors: Melvin H. Boldt, deceased, by Melvin W. Boldt, executor, David P. Chuboff, Arnold Goldman, Wayne J. Franek
  • Patent number: D277669
    Type: Grant
    Filed: October 25, 1982
    Date of Patent: February 19, 1985
    Assignee: Zenith Electronics Corporation
    Inventors: David P. Chuboff, Arnold S. Goldman
  • Patent number: D277754
    Type: Grant
    Filed: October 25, 1982
    Date of Patent: February 26, 1985
    Assignee: Zenith Electronics Corporation
    Inventors: Robert W. Becker, David P. Chuboff
  • Patent number: D280261
    Type: Grant
    Filed: December 30, 1982
    Date of Patent: August 27, 1985
    Assignee: Bausch & Lomb Incorporated
    Inventors: David P. Chuboff, Francis J. Greb, Aaron M. Markovitz
  • Patent number: D289398
    Type: Grant
    Filed: April 19, 1985
    Date of Patent: April 21, 1987
    Assignee: Zenith Electronics Corporation
    Inventors: David P. Chuboff, Chester J. Wojtowicz
  • Patent number: D299924
    Type: Grant
    Filed: June 7, 1985
    Date of Patent: February 21, 1989
    Assignee: Zenith Electronics Corporation
    Inventors: David P. Chuboff, Marilyn M. Johnson