Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5046313 | Master cylinder with fluid level and pressure failure detection | Donald A. Crumb, Robert F. Gaiser, Richard A. Zander | 1991-09-10 |
| 4929033 | Primary and secondary pressure-balanced proportioning valve | Richard A. Zander, Robert F. Gaiser, Donald A. Crumb | 1990-05-29 |
| 4815292 | Multi-part primary pressure-balanced proportioning valve with brake pressure failure switch | Robert F. Gaiser, Donald A. Crumb | 1989-03-28 |