Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5566066 | Method of recycling used beverage containers | David H. Weitzman | 1996-10-15 |
| 4988044 | Steel can shredding/delabeling system and method | David H. Weitzman | 1991-01-29 |
| 4829428 | Beverage container sorting, accounting, and disposal method with compartmentalized hamper and can crusher | David H. Weitzman | 1989-05-09 |
| 4667291 | Container redemption method | David H. Weitzman | 1987-05-19 |