Patents Represented by Attorney Leonard B. Mackey
  • Patent number: D243575
    Type: Grant
    Filed: July 10, 1975
    Date of Patent: March 8, 1977
    Assignee: International Standard Electric Corporation
    Inventor: John E. Knox
  • Patent number: D244612
    Type: Grant
    Filed: January 12, 1976
    Date of Patent: June 7, 1977
    Assignee: International Telephone and Telegraph Corporation
    Inventor: Edgar Burns