Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5350611 | Integral end attachment fitting | Walter Franklin, Matthew Swain | 1994-09-27 |
| 5217555 | Process for making hollow tubular structural members with integral end attachment fittings | Walter Franklin, Matthew Swain | 1993-06-08 |