Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5440477 | Modular bottle-mounted gas management system | Roderick G. Rohrberg, Timothy K. Rohrberg | 1995-08-08 |
| 5337991 | Low resonant frequency vibration isolation system | — | 1994-08-16 |
| 5092163 | Precision small scale force sensor | — | 1992-03-03 |
| 4417129 | Power source for arc welder | — | 1983-11-22 |