Wenninger; Freddie W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Wenninger; Freddie W..The latest application filed is for "adaptable programmed calculator including a percent keyboard operator".
- Wenninger; Freddie W. - Loveland CO
| Patent | Date |
|---|---|
| Adaptable programmed calculator including a percent keyboard operator Grant 4,181,966 - Wenninger , et al. January 1, 1 | 1980-01-01 |
| Programmable calculator having extended input/output capability Grant 4,127,897 - Spangler , et al. November 28, 1 | 1978-11-28 |
| Programmable calculator including terminal control means Grant 4,126,898 - Spangler , et al. November 21, 1 | 1978-11-21 |
| Programmable calculator Grant 4,012,725 - Spangler , et al. March 15, 1 | 1977-03-15 |
| Speed invariant decoding of digital information from a magnetic tape Grant 3,974,523 - Miller , et al. August 10, 1 | 1976-08-10 |
| Adaptable programmed calculator having provision for plug-in keyboard and memory modules Grant 3,971,925 - Wenninger , et al. July 27, 1 | 1976-07-27 |
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