Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5325873 | Tube placement verifier system | Richard E. Hirschi, James P. Karbowski, James L. Tiefenthal | 1994-07-05 |
| 5316024 | Tube placement verifier system | Richard E. Hirschi, James P. Karbowski, James L. Tiefenthal | 1994-05-31 |
| 5167627 | Stoma creator gastrostomy device and method for placement of a feeding tube | Robert Donald Clegg, William H. Hirsch | 1992-12-01 |
| 5074846 | Stoma creator gastrostomy device and method for placement of a feeding tube | Robert Donald Clegg, William H. Hirsch | 1991-12-24 |
| 4972845 | Stoma measuring device | Kent E. Iversen | 1990-11-27 |
| 4921481 | Enteral feeding system utilizing gastrointestinal myoelectrography | Roger G. Danis, Harry A. Puryear | 1990-05-01 |