Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D347415 | Front partition for a tandem brake booster | Louis P. Rossigno, Jon R. Dodson, Thomas E. Dodd, Thomas O'Brien | 1994-05-31 |
| D346576 | Rear partition for a tandem brake booster | Thomas O'Brien, Thomas E. Dodd, Jon R. Dodson, Louis P. Rossigno | 1994-05-03 |
| 5076142 | Brake booster with tandem pistons having annular and radial reinforcing ribs and connected by hooks and slots | Thomas E. Dodd | 1991-12-31 |
| 5007239 | Master cylinder with sandwiched communication interfaces | — | 1991-04-16 |
| 4908522 | Pressure-balanced proportioning valve with vent-controlled bypass | Donald A. Crumb, Robert F. Gaiser | 1990-03-13 |
| 4903387 | Method for making a proportioning valve having a unitary poppet valve assembly | Donald A. Crumb, Richard A. Zander | 1990-02-27 |
| 4860541 | Two stage relief valve for master cylinder quick-fill chamber | — | 1989-08-29 |
| 4821519 | Primary pressure-balanced proportioning valve | Robert F. Gaiser, Donald A. Crumb | 1989-04-18 |
| 4790138 | Master cylinder fast fill valving mechanism with ramp | — | 1988-12-13 |
| 4785847 | Unitary poppet valve assembly for a proportioning valve | Donald A. Crumb, Richard A. Zander | 1988-11-22 |
| 4718234 | Fast fill valving mechanism for a master cylinder | — | 1988-01-12 |
| 4685300 | Seal means for a master cylinder | — | 1987-08-11 |
| 4630443 | Reservoir for a master cylinder | — | 1986-12-23 |
| 4559781 | Master cylinder | Donald A. Crumb | 1985-12-24 |
| 4510753 | Master cylinder | — | 1985-04-16 |
| 4489224 | Fluid level indicator | — | 1984-12-18 |
| 4474005 | Master cylinder | — | 1984-10-02 |
| 4212411 | Master cylinder reservoir cover | — | 1980-07-15 |