DJ

Douglas W. Johnson

IBM: 1 patents #1,061 of 3,557Top 30%
🗺 Texas: #541 of 5,943 inventorsTop 10%
Overall (1997): #41,995 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5687487 Flatness tester 1997-11-18
5636090 Tilt limiting inertial actuator latch for a data storage system Jeffrey F. Boigenzahn, Richard E. Lagergren, James M. Rigotti 1997-06-03