Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12187558 | Loading head arrangement including sealing at the loading opening of a railway car | Gregory Racz, Johnny Quinonez | 2025-01-07 |
| 7237335 | Method to service telecommunication box | — | 2007-07-03 |
| 7012523 | System for surveillance of and communication with residential entryway from remote location using existing telephone lines | — | 2006-03-14 |
| 6226564 | Method and apparatus for dispensing drugs to prevent inadvertent administration of incorrect drug to patient | — | 2001-05-01 |
| 6185294 | Method and apparatus for installing telephone intercom-voice messaging apparatus at doorbell for dwelling | O. Joseph Chornenky, Michael G. Maxson | 2001-02-06 |
| 5905787 | Method and apparatus for installing telephone intercom--voice messaging apparatus at doorbell for dwelling | — | 1999-05-18 |
| 5784446 | Method and apparatus for installing telephone intercom-voice messaging apparatus at doorbell for dwelling | — | 1998-07-21 |
| 5394635 | Safety cartridge | — | 1995-03-07 |
| 5347739 | Safety cartridge | — | 1994-09-20 |