Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8519745 | Methods and systems for detection of zero crossings in a signal | — | 2013-08-27 |
| 8248109 | Methods and systems for detection of zero crossings in a signal | — | 2012-08-21 |
| 5256115 | Electronic flywheel and clutch for exercise apparatus | Donald A. Gilbrech | 1993-10-26 |
| 4231439 | Automatic check weigher | James Hall, Ralph J. Lake, Jr. | 1980-11-04 |