Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6860181 | Automated manufacturing apparatus for aluminium window/door systems | Ross Doonan, Peter Donnelly | 2005-03-01 |
| 5829372 | Mechanical tufting head | Robert G. Pongrass, William Brian Wilson | 1998-11-03 |
| 5503092 | Method and system of tufting | Robert G. Pongrass, William Brian Wilson | 1996-04-02 |
| 4644707 | Rotatable building frame | John Carrick | 1987-02-24 |