Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8636265 | Winch for raising and lowering theater scenery | — | 2014-01-28 |
| 8596616 | Winch for raising and lowering theatre scenery | — | 2013-12-03 |
| 6520485 | Winch system for raising and lowering theatre scenery | — | 2003-02-18 |
| 6016901 | Chained movable platforms for people and objects | — | 2000-01-25 |
| 4815392 | Work station with fixed and rotatable work surfaces | — | 1989-03-28 |
| 4594044 | Rotating truck lift | — | 1986-06-10 |
| 4450134 | Method and apparatus for handling nuclear fuel elements | Alexander H. McPhee | 1984-05-22 |
| 4296736 | Folded plate solar energy collector | — | 1981-10-27 |