Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654165 | Composite steering rack | — | 2010-02-02 |
| 6089270 | Slotted sleeve for a rotary valve | — | 2000-07-18 |
| 6082940 | Slotted sleeve for a rotary valve | — | 2000-07-04 |
| 6032350 | Method of slotted component manufacture | — | 2000-03-07 |
| 5458153 | Rotary valve for hydraulic power steering with reduced noise and linear boost characteristic | — | 1995-10-17 |
| 5390408 | Slotting | Arthur E. Bishop, John Baxter, Lyle John McLean | 1995-02-21 |
| 5267588 | Rotary valve | Arthur E. Bishop | 1993-12-07 |
| 5131430 | Valves | Arthur E. Bishop | 1992-07-21 |
| 4715210 | Method for making steering rack bars | Arthur E. Bishop, David W. Scott | 1987-12-29 |
| 4703145 | Apparatus for manufacturing a master rack | Arthur E. Bishop | 1987-10-27 |
| 4651551 | Means for manufacturing components of rotary valves | Arthur E. Bishop | 1987-03-24 |
| 4618297 | Method and apparatus for machining racks for steering gear | Arthur E. Bishop | 1986-10-21 |
| 4602521 | Rack and pinion steering gear | Arthur E. Bishop | 1986-07-29 |
| 4571982 | Apparatus for making steering rack bars | Arthur E. Bishop, David W. Scott | 1986-02-25 |