Issued Patents All Time
Showing 26–50 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4979366 | Method of providing modular prefilled hydraulic control apparatus | David J. Compton, Richard A. Nix | 1990-12-25 |
| 4959188 | Method for forming a hydraulic cylinder assembly | — | 1990-09-25 |
| 4949590 | Hydraulic cylinder assembly | David C. Barker | 1990-08-21 |
| 4949827 | Concentrically mounted hydraulic clutch actuator | David L. Wrobleski | 1990-08-21 |
| 4941323 | Hydraulic cylinder provided with a seal-less piston | — | 1990-07-17 |
| 4936428 | Electric clutch actuator | Brian D. Mabee | 1990-06-26 |
| 4924673 | Master cylinder with parallel-bore reservoir | David C. Barker | 1990-05-15 |
| 4918921 | Coaxial push rod and hollow screw ball nut drive for master cylinder | Brian D. Mabee | 1990-04-24 |
| 4914916 | Tandem master cylinder with electromagnetic position sensors for each piston | Brian D. Mabee | 1990-04-10 |
| 4915202 | Concentrically mounted hydraulic clutch actuator | Paul M. Regula | 1990-04-10 |
| 4911276 | Method of motor vehicle assembly | Richard A. Nix | 1990-03-27 |
| 4893472 | Collapsible tubular diaphragm for master cylinder reservoir | David C. Barker | 1990-01-16 |
| 4883037 | Throttle control system | Brian D. Mabee | 1989-11-28 |
| 4878041 | Hydraulic master cylinder switch | Richard A. Nix | 1989-10-31 |
| 4866937 | Double-acting master-slave cylinder system with volume compensating conduit | — | 1989-09-19 |
| 4865173 | Electric clutch actuator | Brian D. Mabee | 1989-09-12 |
| 4856282 | Center-feed master cylinder with retainer for valve stem | Leslie P. Branum | 1989-08-15 |
| 4852352 | Manual override for relief of pulsator circuit with reservoir ball valve | — | 1989-08-01 |
| 4843901 | Electric shift apparatus with manual override | David C. Peterson, John G. Vanderpoorte, Brian D. Mabee | 1989-07-04 |
| 4841793 | Electric shift apparatus | Edward L. Tury, David C. Peterson, John G. Vanderpoorte | 1989-06-27 |
| 4831985 | Throttle control system | Brian D. Mabee | 1989-05-23 |
| 4831916 | Piston assembly | Leslie P. Branum, David C. Barker | 1989-05-23 |
| 4827834 | Four point seal | — | 1989-05-09 |
| 4821627 | Piston and cylinder assembly | — | 1989-04-18 |
| 4817468 | Electric shift apparatus for manual transmission | Edward L. Tury, Leslie P. Branum, Gregg A. Thoe | 1989-04-04 |