RM

Richard D. Marquess

SD Systron Donner: 2 patents #7 of 35Top 20%
📍 Concord, CA: #288 of 739 inventorsTop 40%
🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,367,172 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4338819 Accelerometer including an overall arrangement for reducing temperature related errors — 1982-07-13
4249420 Bearing preload assembly for use in an oil filled accelerometer — 1981-02-10