Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6059267 | Lever hoist | — | 2000-05-09 |
| D407175 | Lever block | — | 1999-03-23 |
| 5535988 | Lever type hoist having reverse rotation preventive mechanism | — | 1996-07-16 |
| 5238226 | Lever operated hoist | — | 1993-08-24 |
| 5156377 | Lever-operated hoist | — | 1992-10-20 |
| 5149058 | Lever-operated hoist | — | 1992-09-22 |
| 5125629 | Hand-operated chain block | — | 1992-06-30 |
| 5088694 | Lever type hoist | — | 1992-02-18 |
| 5007617 | Hand-operated chain block | Glenn S. Smith | 1991-04-16 |
| 4948098 | Chain hoist | — | 1990-08-14 |
| 4881720 | Hand operated chain block | — | 1989-11-21 |
| 4819913 | Lever type hoisting machine | — | 1989-04-11 |
| 4768754 | Manual hoist with overload preventer | — | 1988-09-06 |
| 4664357 | Overload avoiding arrangement for a hoist | — | 1987-05-12 |
| 4343240 | Trolley | — | 1982-08-10 |
| 4221364 | Chain block | — | 1980-09-09 |