DR

Diethelm G. Ringleb

DE Digital Equipment: 3 patents #412 of 2,100Top 20%
📍 Andover, MA: #537 of 1,295 inventorsTop 45%
🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,658,797 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5239260 Semiconductor probe and alignment system David C. Widder 1993-08-24
5032788 Test cell for non-contact opens/shorts testing of electrical circuits Andrew J. LePage 1991-07-16
4894605 Method and on-chip apparatus for continuity testing Reinhard Schumann, Elsworth Stearns, Tom Stylianos, Jr., John H. Sweeney 1990-01-16