Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6336427 | Feeder assembly for use in a cage | Neil E. Campbell, Chin Soo Park, Albert P. Ruggieri, John E. Sheaffer, Dale Murray +3 more | 2002-01-08 |
| 6227146 | Filter top for rodent cage | Neil E. Campbell, Chin Soo Park, John E. Sheaffer, Dale Murray, Lynn Irwin | 2001-05-08 |
| 6158387 | Ventilated cage and rack system | Chin Soo Park, John E. Sheaffer | 2000-12-12 |
| 6041741 | Multispecies rodent cage | Neil E. Campbell, Chin Soo Park, Albert P. Ruggieri, John E. Sheaffer, Dale Murray +3 more | 2000-03-28 |
| D420772 | Water bottle | John E. Sheaffer, Rodney Gerringer | 2000-02-15 |
| 5954013 | Ventilated cage and rack system | Chin Soo Park, John E. Sheaffer | 1999-09-21 |