Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662629 | Ostomy coupling | Keith G. M. Hollands, Graham E. Steer, Ronald A. Plass, Howard Barratt | 1997-09-02 |
| 5647861 | Ostomy coupling | Keith G. M. Hollands, Graham E. Steer, Ronald A. Plass, Howard Barratt | 1997-07-15 |
| 5593396 | Bag for containing liquid | Graham E. Steer, John A. Gent | 1997-01-14 |