Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5526662 | Cashless key and receptacle system | Robert R. Diekhoff, Joseph H. Sutton, Hazem Hassan | 1996-06-18 | $611,000 |
| D345686 | Electrical information key | — | 1994-04-05 | |
| 4715035 | Method for the simulation of an error in a logic circuit and a circuit arrangement for implementation of the method | — | 1987-12-22 |