Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7051620 | Special opening tool and method | — | 2006-05-30 |
| 6971281 | Special opening tool and method | — | 2005-12-06 |
| 6709125 | Easy open device for beverage cans | — | 2004-03-23 |
| 5001801 | Oscillating line travel pipe cleaning machine | Carlos Sinforoso | 1991-03-26 |
| 4785854 | Method of coating metal pipe having bending capability | Frederick Gelfant | 1988-11-22 |
| 4759390 | Coated metal pipe having bending capability | Frederick Gelfant | 1988-07-26 |
| 4611635 | Coated pipe having bending capability | — | 1986-09-16 |