Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9422160 | Method of making a hydrogen sensing pigment | William Hoagland, David K. Benson | 2016-08-23 |
| 8936093 | Controlled rise velocity bouyant ball assisted hydrocarbon lift system and method | — | 2015-01-20 |
| 8574917 | Hydrogen sulfide indicating pigments | William Hoagland, David K. Benson | 2013-11-05 |
| 8430172 | Buoyant ball assisted hydrocarbon lift system and method | Travis Smith | 2013-04-30 |
| 6382647 | Trailer apparatus | — | 2002-05-07 |
| 5284072 | Cleat removal/insertion tool | — | 1994-02-08 |
| 4535546 | Locksmith tool apparatus for determining length of locking elements in locks | — | 1985-08-20 |
| 4372278 | High temperature and high pressure fuel injection apparatus for internal combustion engines | — | 1983-02-08 |