JC

John Herman Callahan

UF US Air Force: 1 patents #109 of 653Top 20%
📍 Pleasant Hill, AR: #1 of 1 inventorsTop 100%
🗺 Arkansas: #29 of 199 inventorsTop 15%
Overall (1997): #130,263 of 185,788Top 75%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5591969 Inductive detector for time-of-flight mass spectrometers Melvin Andrew Park 1997-01-07