Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11942816 | Apparatus and method for detection of line to neutral back-feed voltage | Curtis Whitmore Crittenden | 2024-03-26 |
| 11190045 | Apparatus and method for detection of line to neutral back-feed voltage | Curtis Whitmore Crittenden | 2021-11-30 |
| 5982492 | Method of and apparatus for determining the center of a generally circular workpiece relative to a rotation axis of the workpiece | Mark J. Quaratiello, Robert Bond | 1999-11-09 |
| 4393740 | Programmable tone generator | Thomas A. Niezgoda | 1983-07-19 |
| 4333377 | Tone generation system for electronic musical instrument | Thomas A. Niezgoda | 1982-06-08 |