Bittner; John R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bittner; John R..The latest application filed is for "anoscope for hemorrhoidal surgery".
- Bittner; John R. - Loveland OH
- Bittner; John R. - Waynesboro VA
| Patent | Date |
|---|---|
| Anoscope for hemorrhoidal surgery Grant 6,142,933 - Longo , et al. November 7, 2 | 2000-11-07 |
| Circular stapler for hemorrhoidal surgery Grant 6,102,271 - Longo , et al. August 15, 2 | 2000-08-15 |
| Method of use of a circular stapler for hemorrhoidal procedure Grant 6,083,241 - Longo , et al. July 4, 2 | 2000-07-04 |
| Surgical cutting instrument with improved cutting edge Grant 5,931,847 - Bittner , et al. August 3, 1 | 1999-08-03 |
| Disposable cartridge with drivers Grant 5,919,198 - Graves, Jr. , et al. July 6, 1 | 1999-07-06 |
| Surgical stapler with improved locking mechanism Grant 5,878,938 - Bittner , et al. March 9, 1 | 1999-03-09 |
| Surgical stapler with locking mechanism Grant 5,673,842 - Bittner , et al. O | 1997-10-07 |
| Continuous forms refolder for high speed printers Grant 4,504,051 - Bittner , et al. March 12, 1 | 1985-03-12 |
| Carriage operated ribbon drive and reverse mechanism Grant 3,939,957 - Bittner February 24, 1 | 1976-02-24 |
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