Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022674 | Dual pyrotechnic hybrid inflator | Richard L. Frantom, Robert Kremer, Klaus F. Ocker, Roy G. Brown, James Rose +2 more | 1991-06-11 |
| 5006008 | Sectional highway barrier with resilient cylindrical inserts | — | 1991-04-09 |
| 4964654 | Air bag assembly | Robert P. Fontecchio, Daniel G. Zelenak | 1990-10-23 |
| 4944527 | Integral retainer, heat shield and assembly | Robert P. Fontecchio, Stanley B. Good, Troy C. Hendrix | 1990-07-31 |
| 4925333 | Sectional shock absorbing and motorist warning highway barriers | — | 1990-05-15 |
| 4756623 | Collapsible mixing drum | — | 1988-07-12 |
| 4750840 | Manually operated portable mixing device | — | 1988-06-14 |
| 4634284 | Hand-operated mixing device | — | 1987-01-06 |
| 4491415 | Rotary drum mixing device | — | 1985-01-01 |
| 4435082 | Rotary drum mixing device | — | 1984-03-06 |