Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7597545 | Amplifier assembly | Thorkil Brix Pedersen | 2009-10-06 |
| 5480343 | Method of sharpening profile-sharpened cutting blades | Charles G. Ellwanger | 1996-01-02 |
| 5377454 | Method of truing and angling cutter blades by sharpening | Richard L. Kitchen | 1995-01-03 |
| 5305558 | Method of sharpening profile-sharpened cutting blades | Charles G. Ellwanger | 1994-04-26 |
| 5251716 | Two-loop steering system for motor vehicles | — | 1993-10-12 |
| 5241794 | Grinding wheel for cutting blades | Harry D. Dodd | 1993-09-07 |
| 5215158 | Hydraulic steering system for vehicles | — | 1993-06-01 |
| 5197231 | Rotary cutter having expanded cutting ring | Richard Johnstone, Richard L. Kitchen | 1993-03-30 |
| 5175962 | Method of and apparatus for machining spur and helical gears | — | 1993-01-05 |
| 5168661 | Method of grinding the surfaces of cutting blades and grinding wheel therefor | Harry D. Dodd | 1992-12-08 |
| 4940106 | Articulated vehicle with hydraulic steering | Ole Sorensen | 1990-07-10 |
| 4890511 | Friction reduction in a differential assembly | — | 1990-01-02 |
| 4862868 | Rotary dressing roller and method and apparatus for dressing cup-shaped grinding wheels | Harry D. Dodd | 1989-09-05 |
| 4844427 | Quenching apparatus | — | 1989-07-04 |
| 4805487 | Side gear mounting for differential assembly | — | 1989-02-21 |
| 4791950 | Pressure limiting valve | — | 1988-12-20 |
| 4774807 | Control apparatus for hydrostatic motor vehicle steering apparatus | — | 1988-10-04 |
| 4558759 | Hydrostatic steering device steering wheel travel limits | Johannes V. Baatrup | 1985-12-17 |