Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9138796 | Sheet material | Roy Humpage, Michael Castellucci | 2015-09-22 |
| 7992418 | Sheet material | Roy Humpage, Michael Castellucci | 2011-08-09 |
| 7947380 | Sheet material | Roy Humpage, Michael Castellucci | 2011-05-24 |
| 6874765 | Cold rolled post for security fence | — | 2005-04-05 |
| 6672569 | Security fence with improved rail | — | 2004-01-06 |
| 6183879 | Rigid thin sheet material and method of making it | — | 2001-02-06 |
| 5689990 | Sheet material, method of producing same and rolls for use in the method | — | 1997-11-25 |