Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6912973 | Automatic cage lock | Dale Murray, Rodney Gerringer, Lynn Irwin | 2005-07-05 |
| 5852861 | Sipper tube insertion and removal apparatus | J. James Cunningham, Dewitt C. Priddy, Gary B. Bunney, Ronald W. Hardesty | 1998-12-29 |
| 5735233 | Animal cage rack locking mechanism | Eric A. Deitrich, John E. Sheaffer, Neil E. Campbell, James Best, Ronald W. Hardesty | 1998-04-07 |
| 5097750 | Waste management disposal system | John V. Oldham, deceased, Chinsoo Park, John E. Sheaffer, Eric A. Deitrich, Neil E. Campbell +1 more | 1992-03-24 |