Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8206232 | Amusement apparatus | — | 2012-06-26 |
| 4763802 | Bottle pump | — | 1988-08-16 |
| 4246979 | Internal sleeve air release control apparatus in seismic air gun | John T. Thomson | 1981-01-27 |
| 4225009 | Internal air release control apparatus air gun | Earnest R. Harrison | 1980-09-30 |
| 4219097 | External air release control in seismic air gun | Earnest R. Harrison | 1980-08-26 |
| 4219098 | Internal passive air release control apparatus in seismic air gun | John T. Thomson | 1980-08-26 |