Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859001 | Isolation valve bypass for master cylinder brake fluid in wheel lock control system | David Fredrick Reuter, Patrick Roussel | 1989-08-22 |
| 4801380 | Method of producing a silicon film with micropores | Kenneth R. Hall, James C. Holste | 1989-01-31 |
| 4779516 | Cam and lock vacuum booster mount with locking arm | James W. Miller | 1988-10-25 |
| 4768843 | Vehicle brake control system | Scott A. Baughman, Donald M. Flory, Timothy A. Haerr, Thomas B. Taylor, George N. Villec | 1988-09-06 |
| 4763689 | Vacuum check valve | Donald L. Heffner | 1988-08-16 |
| 4750516 | Vacuum check valve | Donald L. Heffner | 1988-06-14 |
| 4750517 | Vacuum check valve | Donald L. Heffner | 1988-06-14 |
| 4724867 | Vacuum check valve | William H. Gillespie, III, Donald L. Heffner, David A. Homan, Dennis G. Merical, James W. Miller | 1988-02-16 |
| 4672860 | Push rod to pedal arm connection | — | 1987-06-16 |
| 4673000 | Check valve assembly | Timothy A. Haerr | 1987-06-16 |
| 4658660 | Booster mounting arrangement | — | 1987-04-21 |
| 4655628 | Pivotal attachment means employing a spring clip | — | 1987-04-07 |
| 4643221 | Vacuum check valve | — | 1987-02-17 |
| 4628959 | Vacuum check valve | Donald L. Heffner | 1986-12-16 |
| 4553650 | Dual function brake pedal providing separate controls for hydraulic and mechanical brakes | Edward H. Warwick | 1985-11-19 |
| 4531276 | Method of making a drum brake shoe and lining assembly | Edward H. Warwick | 1985-07-30 |
| 4462487 | Combined vehicle service and parking brake control mechanism | Edward H. Warwick, Ralph J. Kaup | 1984-07-31 |
| 4453621 | Drum brake shoe and lining assembly and method of making same | Edward H. Warwick | 1984-06-12 |
| 4438557 | Method of using an areal array of tubular electron sources | Wilbur A. Porter, Robert C. Rogers | 1984-03-27 |
| 4433757 | Disc brake lining retainer and wear warning arrangement | Edward H. Warwick | 1984-02-28 |
| 4433872 | Pressure modified brake actuating pressure proportioner | Hubert Hogg | 1984-02-28 |
| 4428620 | Vehicle brake control system | Edward H. Warwick | 1984-01-31 |
| 4428471 | Clutch operator with a hydraulic actuator | Edward H. Warwick | 1984-01-31 |
| 4428462 | Low displacement disc brake caliper assemblies | Edward H. Warwick | 1984-01-31 |
| 4333035 | Areal array of tubular electron sources | Wilbur A. Porter, Robert C. Rogers | 1982-06-01 |