Petruschke; Haans K.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Petruschke; Haans K..The latest application filed is for "endoscopic instrument system and method".
- Petruschke; Haans K. - Kirtland OH
| Patent | Date |
|---|---|
| Endoscopic instrument system and method Grant 5,618,303 - Marlow , et al. April 8, 1 | 1997-04-08 |
| Endoscopic instrument system and method Grant 5,571,137 - Marlow , et al. November 5, 1 | 1996-11-05 |
| Disposable surgical trocar Grant D362,066 - Petruschke , et al. September 5, 1 | 1995-09-05 |
| Verres needle system and method Grant 5,421,821 - Janicki , et al. June 6, 1 | 1995-06-06 |
| Disposable surgical trocar Grant D358,209 - Petruschke , et al. May 9, 1 | 1995-05-09 |
| Endoscopic instrument system Grant 5,368,606 - Marlow , et al. November 29, 1 | 1994-11-29 |
| Lightweight filter Grant 4,838,901 - Schmidt , et al. June 13, 1 | 1989-06-13 |
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