Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5549456 | Automatic pump control system with variable test cycle initiation frequency | James T. Burrill | 1996-08-27 |
| 5545012 | Soft-start pump control system | Stephen B. Boyd | 1996-08-13 |
| 5469631 | Air bubble free compass and method of manufacturing same | James T. Burrill | 1995-11-28 |
| 5324170 | Pump control apparatus and method | Stephen B. Boyd | 1994-06-28 |
| 5076763 | Pump control responsive to timer, delay circuit and motor current | Stephen B. Boyd | 1991-12-31 |
| 4970983 | Multitone horn | Kenneth J. LeBlanc, Robert J. Dowding, Max Scholz | 1990-11-20 |
| 4656751 | Magnetic compass | W. Gordon White | 1987-04-14 |