Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6009800 | Rotating variable height clamping device | Eduard Hendrikus Johannes Damhuis, Sherman Howell Creed | 2000-01-04 |
| 5705127 | Rotating variable height clamping device | Eduard Hendrikus Johannes Damhuis, Sherman Howell Creed | 1998-01-06 |
| 5687639 | Rotating variable height clamping device | Eduard Hendrikus Johannes Damhuis, Sherman Howell Creed | 1997-11-18 |
| 5676047 | Rotating variable height clamping device | Eduard Hendrikus Johannes Damhuis, Sherman Howell Creed | 1997-10-14 |
| 5105606 | Means for handling plastic containers | Sherman Howell Creed, Wesley W. Walter, Thomas F. Burks, Carl E. Lindow, Eduard Hendrikus Johannes Damhuis | 1992-04-21 |
| 4703817 | Controllable vehicle for inspecting limited access areas | Donald R. Stoner, Robert D. Senger, William G. Hall | 1987-11-03 |