Sheaffer; John E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sheaffer; John E..The latest application filed is for "cage assembly".
- Sheaffer; John E. - Perryville MD
- Sheaffer; John E. - Havre de Grace MD
| Patent | Date |
|---|---|
| Multipurpose rat cage Grant 7,451,723 - Gabriel , et al. November 18, 2 | 2008-11-18 |
| Cage assembly App 20020069834 - Deitrich, Eric A. ; et al. | 2002-06-13 |
| Multispecies rodent cage Grant 6,341,581 - Gabriel , et al. January 29, 2 | 2002-01-29 |
| Multispecies rodent cage Grant 6,336,425 - Gabriel , et al. January 8, 2 | 2002-01-08 |
| Feeder assembly for use in a cage Grant 6,336,427 - Gabriel , et al. January 8, 2 | 2002-01-08 |
| Filter cap for an animal cage Grant 6,295,950 - Deitrich , et al. October 2, 2 | 2001-10-02 |
| Filter top for rodent cage Grant 6,227,146 - Gabriel , et al. May 8, 2 | 2001-05-08 |
| Ventilated cage and rack system Grant 6,158,387 - Gabriel , et al. December 12, 2 | 2000-12-12 |
| Multispecies rodent cage Grant 6,041,741 - Gabriel , et al. March 28, 2 | 2000-03-28 |
| Water bottle Grant D420,772 - Gabriel , et al. February 15, 2 | 2000-02-15 |
| Ventilated cage and rack system Grant 5,954,013 - Gabriel , et al. September 21, 1 | 1999-09-21 |
| Multiple dosage feeder for animal cage Grant 5,950,567 - Sheaffer , et al. September 14, 1 | 1999-09-14 |
| Animal cage assembly and combination water bottle holder and feeder Grant 5,924,384 - Deitrich , et al. July 20, 1 | 1999-07-20 |
| Bottle Grant D403,130 - Bunney , et al. December 22, 1 | 1998-12-22 |
| Feeder for an animal cage Grant D397,526 - Sheaffer August 25, 1 | 1998-08-25 |
| Animal feeder with perch assembly Grant 5,694,885 - Deitrich , et al. December 9, 1 | 1997-12-09 |
| Ventilated cage and open rack system Grant 5,349,923 - Sheaffer , et al. * September 27, 1 | 1994-09-27 |
| Ventilated cage and open rack system Grant 5,165,362 - Sheaffer , et al. November 24, 1 | 1992-11-24 |
| Waste management disposal system Grant 5,097,750 - Oldham, deceased , et al. March 24, 1 | 1992-03-24 |
| Ventilated cage and rack system Grant 5,042,429 - Deitrich , et al. August 27, 1 | 1991-08-27 |
| Ventilated cage and open rack system Grant 4,989,545 - Sheaffer , et al. February 5, 1 | 1991-02-05 |
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