Hand-held port tester for data-processing systems
- IBM
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Description
FIG. 1 is a bottom, front, and left side perspective view of a hand-held port tester for data-processing systems showing my new design;
FIG. 2 is a rear elevational view;
FIG. 3 is a bottom plan view;
FIG. 4 is a top plan view; and
FIG. 5 is a right side elevational view thereof.
The cable has been omitted from FIGS. 4 and 5 for ease of illustration.
Referenced Cited
U.S. Patent Documents
Patent History
Patent number: D312218
Type: Grant
Filed: Mar 17, 1988
Date of Patent: Nov 20, 1990
Assignee: International Business Machines Corporation (Armonk, NY)
Inventor: David W. Hill (Rochester, MN)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorneys: J. Michael Anglin, Roy W. Truelson
Application Number: 7/169,806
Type: Grant
Filed: Mar 17, 1988
Date of Patent: Nov 20, 1990
Assignee: International Business Machines Corporation (Armonk, NY)
Inventor: David W. Hill (Rochester, MN)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Antoine D. Davis
Attorneys: J. Michael Anglin, Roy W. Truelson
Application Number: 7/169,806
Classifications