Electrical testing instrument
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Description
FIG. 1 is a front perspective view of an electrical testing instrument showing my new design; and
FIG. 2 is a rear perspective view thereof.
Referenced Cited
U.S. Patent Documents
| D236594 | September 1975 | Smith |
| 2460830 | February 1949 | Knam |
| 2771580 | November 1956 | Schott |
| 3818325 | June 1974 | Boshers |
| 3875510 | April 1975 | Beauchane |
Patent History
Patent number: D251183
Type: Grant
Filed: Apr 8, 1977
Date of Patent: Feb 27, 1979
Assignee: Earl Cooper Phifer
Inventor: James L. Howard (Lancaster, SC)
Primary Examiner: Nelson C. Holtje
Attorney: Donald M. Seltzer
Application Number: 5/785,929
Type: Grant
Filed: Apr 8, 1977
Date of Patent: Feb 27, 1979
Assignee: Earl Cooper Phifer
Inventor: James L. Howard (Lancaster, SC)
Primary Examiner: Nelson C. Holtje
Attorney: Donald M. Seltzer
Application Number: 5/785,929
Classifications
