Patents Assigned to Fred O. Mercer
  • Patch cord tester
    Patent number: 4491781
    Abstract: A tester unit for testing a patch cord to determine if a short, or a break in either of the conductive paths in the patch cord, exists. The tester unit includes a pair of jacks adapted to receive the plugs of a patch cord, and reverse connections of contacts in these jacks with the poles of an internally carried battery means.
    Type: Grant
    Filed: July 12, 1982
    Date of Patent: January 1, 1985
    Assignee: Fred O. Mercer
    Inventor: Terry A. McClintic