Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4455618 | Programmable calculator | Jack M. Walden, William D. Eads, Ray J. Cozzens, John Bidwell, Robert A. Jewett +3 more | 1984-06-19 |
| 4181966 | Adaptable programmed calculator including a percent keyboard operator | Freddie W. Wenninger, Donald E. Morris, Jindrich Kohoutek, David S. Maitland, Douglas M. Clifford +1 more | 1980-01-01 |