Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8382401 | Variable diameter pneumatic tube brake | Raymond Anthony Castro, Chad David Cornelius, Kenneth Michael Hoganson, Robert Paul Trenconsky | 2013-02-26 |
| 8317432 | Air valve pneumatic tube carrier system | Raymond Anthony Castro, Chad David Cornelius, Kenneth Michael Hoganson, Robert Paul Trenconsky | 2012-11-27 |
| 5738648 | Method and apparatus for a valve and irrigator | Michael J. Lands, Thomas Ryan, Dale Schmaltz | 1998-04-14 |