Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617637 | Servo control system for a reciprocating piston respirator | Anthony C. Rubner, Michael W. Fellinger | 1986-10-14 |
| 4587967 | Oxygen enriched reciprocating piston respirator | Anthony C. Rubner, Marc A. Bergman | 1986-05-13 |
| 4493614 | Pump for a portable ventilator | Marc A. Bergman | 1985-01-15 |