Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4952774 | Mobil power source for producing welding current for automatic, semi-automatic and manual welding | Atsushi Sugimoto | 1990-08-28 |
| 4856662 | Pedestal crane and method of assembling and erecting it | Benjamin Gregory Shepherd | 1989-08-15 |