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Patent applications and USPTO patent grants for Phifer; Earl Cooper.The latest application filed is for "electrical testing instrument".
Patent | Date |
---|---|
Electrical testing instrument Grant D251,183 - Howard February 27, 1 | 1979-02-27 |
Apparatus for matching wires in multiple wire conductors and attendant method Grant 4,114,091 - Howard September 12, 1 | 1978-09-12 |
Method for matching wires in multiple wire conduits Grant 4,041,383 - Howard August 9, 1 | 1977-08-09 |
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