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USPTO Patent Rankings Data through Dec 31, 2025
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Edwin C. Hardesty — 10 Patents

ATAT&T: 9 patents #2,006 of 18,772Top 15%
WCWestern Electric Company: 3 patents #40 of 531Top 8%
Perry Hall, MD: #8 of 78 inventorsTop 15%
Maryland: #3,183 of 35,612 inventorsTop 9%
Overall (All Time): #481,000 of 4,157,543Top 15%
10 Patents All Time
Edwin C. Hardesty has been granted 10 US patents while listed as an inventor at AT&T. The first was granted in 1980 and the most recent in June 1987. Edwin C. Hardesty ranks #481,000 of 4,157,543 US inventors in our database (top 11.6%). Patent records list Edwin C. Hardesty in Perry Hall, MD, US.

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
D290457 Telephone power adapter John E. Clarke, George W. Reichard, Jr. 1987-06-23
4611875 Communication system cross-connect field power adapter John E. Clarke, George W. Reichard, Jr. 1986-09-16
4536939 Tool for terminating telephone cordage with modular plugs Ronald C. Hardesty 1985-08-27
4522459 Systems for and methods of making electrical connections Erle M. Hutchins 1985-06-11
4494815 Self-aligning cover for modular tricoupler Melvin W. Brzostek, Erle M. Hutchins 1985-01-22
4477141 Tricoupler for modular wiring systems 1984-10-16
4448472 Slotted, substantially rigid multi-conductor electrical connector 1984-05-15
4379609 Modular cord coupler jack having a disconnection encumbrance 1983-04-12 $53,569,000
4268109 Coupler for telephone cords 1981-05-19 $32,657,000
4241974 Multi-outlet adapter for modular telephone cords 1980-12-30 $17,420,000