Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792872 | Balloon car and aerial trolley system | — | 2004-09-21 |
| 4768520 | Peak flow and pulmonary incentive meter | Alan R. Varraux, William M. Hobby | 1988-09-06 |
| 4750453 | Internal combustion engine | — | 1988-06-14 |
| 4736750 | Apparatus for testing pulmonary functions | William M. Hobby | 1988-04-12 |
| 4553552 | Hemodialysis meter | Allen K. Holcomb, William M. Hobby | 1985-11-19 |
| 4480595 | Internal combustion engine | William M. Hobby | 1984-11-06 |
| 4478177 | Internal combustion engine | — | 1984-10-23 |
| 4424058 | Drainage control method and apparatus | Robert L. Parsons, Alan R. Varraux, Allen K. Holcomb, William M. Hobby | 1984-01-03 |
| 4416224 | Internal combustion engine | William M. Hobby | 1983-11-22 |
| 4289041 | Reciprocator for use with rotary drills | — | 1981-09-15 |
| 4271793 | Internal combustion engine | — | 1981-06-09 |
| 4216939 | Recreational vehicle leveling and support system | — | 1980-08-12 |