Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7451723 | Multipurpose rat cage | George S. Gabriel, Neil E. Campbell, Chin Soo Park, John E. Sheaffer, Dale Murray +3 more | 2008-11-18 |
| 6526915 | Feeder assembly for use in a cage | George S. Gabriel, Neil E. Campbell, Chin Soo Park, Albert P. Ruggieri, John E. Sheaffer +3 more | 2003-03-04 |
| 6341581 | Multispecies rodent cage | George S. Gabriel, Neil E. Campbell, Chin Soo Park, Albert P. Ruggieri, John E. Sheaffer +3 more | 2002-01-29 |
| 6336425 | Multispecies rodent cage | George S. Gabriel, Neil E. Campbell, Chin Soo Park, Albert P. Ruggieri, John E. Sheaffer +3 more | 2002-01-08 |
| 6336427 | Feeder assembly for use in a cage | George S. Gabriel, Neil E. Campbell, Chin Soo Park, Albert P. Ruggieri, John E. Sheaffer +3 more | 2002-01-08 |
| 6295950 | Filter cap for an animal cage | John E. Sheaffer | 2001-10-02 |
| 6041741 | Multispecies rodent cage | George S. Gabriel, Neil E. Campbell, Chin Soo Park, Albert P. Ruggieri, John E. Sheaffer +3 more | 2000-03-28 |
| 5924384 | Animal cage assembly and combination water bottle holder and feeder | John E. Sheaffer | 1999-07-20 |
| 5735233 | Animal cage rack locking mechanism | John E. Sheaffer, Neil E. Campbell, James Best, William Marston, Ronald W. Hardesty | 1998-04-07 |
| 5694885 | Animal feeder with perch assembly | John E. Sheaffer | 1997-12-09 |
| D379683 | Wire bar lid for an animal cage | John E. Sheaffer | 1997-06-03 |
| 5349923 | Ventilated cage and open rack system | John E. Sheaffer | 1994-09-27 |
| 5311836 | Ventilated cage and open rack system | John E. Sheaffer | 1994-05-17 |
| 5253842 | Quick disconnect water valve assembly | Laszlo Huebscher | 1993-10-19 |
| 5165362 | Ventilated cage and open rack system | John E. Sheaffer, Neil E. Campbell, Albert P. Ruggieri, Robert Sedlachek | 1992-11-24 |
| 5097750 | Waste management disposal system | John V. Oldham, deceased, Chinsoo Park, William Marston, John E. Sheaffer, Neil E. Campbell +1 more | 1992-03-24 |
| 5042429 | Ventilated cage and rack system | John E. Sheaffer | 1991-08-27 |
| 4989545 | Ventilated cage and open rack system | John E. Sheaffer | 1991-02-05 |