Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D504963 | Rolled roofing material | — | 2005-05-10 |
| D504964 | Rolled roofing material | — | 2005-05-10 |
| 6722673 | Portable computer cart with electrical outlets, telephone hookups, and storage area for briefcase | — | 2004-04-20 |
| 6543126 | Machine for removing and loading a flat roof | — | 2003-04-08 |
| 6374568 | Rolled shingle roofing material and method of installation | — | 2002-04-23 |
| 5996300 | Rolled shingle roofing material and method of installation | — | 1999-12-07 |