Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D288245 | Power failure warning light | Thomas E. Corder | 1987-02-10 |
| 4416628 | Push-button switch as used in oral hygiene appliance | Michael A. Cammack, Christopher W. Elkins, Clarence J. Hickman | 1983-11-22 |
| D269377 | Massaging appliance | Frederick G. Mackay | 1983-06-14 |
| 4337040 | Oral hygiene appliances | Michael A. Cammack, Christopher W. Elkins, Clarence J. Hickman | 1982-06-29 |
| 4309783 | Adjustably conformable bed | Michael A. Cammack | 1982-01-12 |
| 4292629 | Alarm system | Ronald R. Kerr, Bruce H. Bowie | 1981-09-29 |