DR

David A. Rieker

Ncr: 4 patents #459 of 2,952Top 20%
🗺 Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,276,349 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6230273 Hardware and software controlled on/off circuit for computers 2001-05-08
5111394 Circuit and method for energizing a solenoid in an electronic device for a predetermined energizing period Wilbur I. Hilles 1992-05-05
4891636 Electronic keylock system 1990-01-02
4884234 Dynamic RAM refresh circuit with DMA access John B. Keys 1989-11-28