Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6305088 | Scissor cutting edge safeguard | Gary D. Novinger, Carla S. Howey, Nancy K. Novinger | 2001-10-23 |
| 5441217 | Variable one way airport | — | 1995-08-15 |
| 5368257 | Variable one way airport | — | 1994-11-29 |
| 4654927 | Side sweeping brushing vacuum machine | — | 1987-04-07 |
| 4430768 | Agitator structure for suction cleaners | — | 1984-02-14 |
| 4304222 | Low profile evacuated-bottle solar collector module | — | 1981-12-08 |
| 4304223 | Fibrous absorber solar collector | — | 1981-12-08 |