Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6273463 | Airbag vent valve and system | Richard Zimmermann | 2001-08-14 | |
| 6224019 | Parachute landing velocity attenuator | Lance C. Labun, A. Gary Stutheit, Mynor J. Castro, Marvin K. Richards | 2001-05-01 | $760,000 |
| 5813649 | Energy-absorbing deformable bracket | Charles N. Whitaker, John A. DiPalma | 1998-09-29 | $739,000 |
| 5419614 | Crewseat with adjustable lumbar and thigh supports | Marvin K. Richards, Caroline VanIngen-Dunn | 1995-05-30 | $1,296,000 |
| 5282648 | Inflatable body and head restraint system | — | 1994-02-01 | $310,000 |
| 5085412 | Shock strut | Bruce Friedrich | 1992-02-04 | |
| 4419886 | Rate of penetration sensor for oil drilling rigs | — | 1983-12-13 | $11,036,000 |