Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056360 | Adjustable lumbar seat support | — | 2000-05-02 |
| 5806927 | Adjustable lumbar seat support | — | 1998-09-15 |
| 5669560 | Non-pulpables collection chamber with removable basket for solid waste pulpers | William K. Upton, III, Stuart H. Brown, Steven A. Stetz, Emily J. Gotich, Jack L. McCrea | 1997-09-23 |
| 5551641 | Non-pulpables collection chamber with removable basket for solid waste pulpers | William K. Upton, III, Stuart H. Brown, Steven A. Stetz, Emily J. Gotich, Jack L. McCrea | 1996-09-03 |
| 5489132 | Safety latch | — | 1996-02-06 |
| 5464161 | Solid waste pulper | William K. Upton, III, Stuart H. Brown, Steven A. Stetz, Emily J. Gotich, Jack L. McCrea | 1995-11-07 |
| 5249992 | Marine propulsion unit with controlled cyclic and collective blade pitch | — | 1993-10-05 |
| 5190447 | Hydraulic pump with integral electric motor | — | 1993-03-02 |
| 5028210 | Propeller unit with controlled cyclic and collective blade pitch | Frank B. Peterson, Christopher N. Sears, Darrel J. Brydebell, Mark W. Smith | 1991-07-02 |
| 4197787 | Pump piston with flexible member | — | 1980-04-15 |