Element Or Attachment Patents (Class D10/121)
  • School bus flasher circuitry module
    Patent number: D242781
    Type: Grant
    Filed: May 20, 1975
    Date of Patent: December 21, 1976
    Inventor: Joseph E. Baader
  • Lens cover for emergency warning light
    Patent number: D242907
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: January 4, 1977
    Assignee: Lectric Lites Company
    Inventors: Arnold O. Blaylock, Robert P. Falconer, Charles M. Campbell
  • Ionization sensor for smoke detector
    Patent number: D245588
    Type: Grant
    Filed: March 2, 1976
    Date of Patent: August 30, 1977
    Inventor: Henri H. Hoge
  • Cabinet for intruder deterrent
    Patent number: D245589
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: August 30, 1977
    Inventor: James H. Ott
  • Fire alarm housing
    Patent number: D247665
    Type: Grant
    Filed: February 23, 1976
    Date of Patent: April 4, 1978
    Assignee: Patent Development & Management Company
    Inventor: Larry D. Larsen