Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5199339 | H beam hole punch | — | 1993-04-06 |
| D326099 | Beam profile machine | — | 1992-05-12 |
| 4707898 | Beam profile cutting machine and method | — | 1987-11-24 |
| 4383870 | Apparatus and method for cutting holes in steel plates | — | 1983-05-17 |
| 4330110 | Apparatus and method for cutting holes in steel plates | — | 1982-05-18 |