JC

John Chappell

UA US Army: 1 patents #2,720 of 6,974Top 40%
📍 Yorktown, VA: #172 of 318 inventorsTop 55%
🗺 Virginia: #18,729 of 34,511 inventorsTop 55%
Overall (All Time): #4,088,195 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4263655 Digital interface circuit for control of pressure scanner — 1981-04-21