JK

John J. Kuhn

AS American Standard: 2 patents #7 of 44Top 20%
WB Westinghouse Air Brake: 1 patents #1 of 1Top 100%
📍 Washington, PA: #3 of 27 inventorsTop 15%
🗺 Pennsylvania: #88 of 2,652 inventorsTop 4%
Overall (1982): #4,437 of 81,411Top 6%
3
Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4324376 Railroad highway crossing warning system 1982-04-13
4320315 Fail-safe and gate circuit 1982-03-16
4314374 High power audio frequency transmitter 1982-02-02