Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640388 | Assembly for transit car door hanger | Richard D. Curtis | 2003-11-04 |
| 5735155 | Method for manufacturing patterned tread plates | William C. Morton | 1998-04-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640388 | Assembly for transit car door hanger | Richard D. Curtis | 2003-11-04 |
| 5735155 | Method for manufacturing patterned tread plates | William C. Morton | 1998-04-07 |