Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D538857 | Label display and mounting frame | Lillian M. Lutz | 2007-03-20 |
| 5690227 | System for use in recycling of waste material | — | 1997-11-25 |
| 5542538 | System for use in recycling of waste material | — | 1996-08-06 |
| 5360311 | Car catcher for a roll-off hoist | Frank K. Ludwin | 1994-11-01 |
| 4988258 | Car catcher | Frank K. Ludwin | 1991-01-29 |
| 4557658 | Material-handling apparatus | — | 1985-12-10 |
| 4529349 | Roll-off hoist | — | 1985-07-16 |
| 4372726 | Material-handling apparatus | — | 1983-02-08 |