Patents Represented by Attorney James F. Coffee
  • Patent number: D242929
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: January 4, 1977
    Assignee: Marvin Glass & Associates
    Inventors: Douglas P. Montague, Howard J. Morrison
  • Patent number: D248206
    Type: Grant
    Filed: August 5, 1976
    Date of Patent: June 20, 1978
    Assignee: Marvin Glass & Associates
    Inventor: Douglas P. Montague