Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9261392 | Fluid-controlled electronic games and measurement devices | Ernest W. Grumbles, III, Timothy A. Bachman | 2016-02-16 |
| 8544341 | Device including an accelerometer in a watertight container for sensing a urine stream | Ernest W. Grumbles, III, Timothy A. Bachman | 2013-10-01 |
| 4380379 | Optometric device | Wayne Farmer, David J. Hawes, Herbert J. McEvoy | 1983-04-19 |