HC

Harry S. Coffin

📍 King of Prussia, PA: #218 of 578 inventorsTop 40%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,633,252 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5894225 Test fixture 1999-04-13
4643501 Electronic board fixture 1987-02-17
4636723 Testing device for printed circuit boards 1987-01-13