Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D457491 | Ultrasonic transducer | Donald F. Kaiser, Earl McCullough | 2002-05-21 |
| 5587926 | Refrigerated fluid sampling apparatus and method with variable volume sampling system | Francis Chiu, William Goss, David W. Hayes, Gary Randolph, Cheryl Sak +1 more | 1996-12-24 |