Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6267016 | Impact particulate collector using a rotary impeller for collecting particulates and moving a fluid | Patrick Call, Vanessa M. Kenning, Charles J. Call, Joseph G. Birmingham | 2001-07-31 |
| 5989824 | Apparatus and method for lysing bacterial spores to facilitate their identification | Joseph G. Birmingham | 1999-11-23 |
| 5631820 | Multiple DC, single AC converter with a switched DC transformer | Matthew K. Donnelly | 1997-05-20 |