Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5667352 | Locking system for extension members on portable lifts | Richard M. Curtin, Matthew G. Kraemer | 1997-09-16 |
| 5645142 | Wedge braking system for multi-stage lifts | Matthew G. Kraemer, Richard M. Curtin | 1997-07-08 |
| 5646340 | Analytical tachometers | Bernard Gee, Christiaan Hoede, Alastair J. Hotchkiss, Barbara L. Jones | 1997-07-08 |