CF

Charles Whitehill Friday

TF Triangle Fastener: 3 patents #2 of 3Top 70%
📍 Pittsburgh, PA: #2,489 of 7,570 inventorsTop 35%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,535,387 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8845253 Threaded fastener Joseph Edward Stager, James R. Johnston 2014-09-30
8360701 Threaded fastener Joseph Edward Stager, James R. Johnston 2013-01-29
7963732 Threaded fastener Joseph Edward Stager, James R. Johnston 2011-06-21