Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6095618 | Segmented brake pipe train control system and related methods | Steven P. Heneka, Eugene Smith | 2000-08-01 |
| 5765112 | Low cost wide area network for data communication using outbound message specifying inbound message time and frequency | Brendan T. Fitzgerald, Donald K. Belcher, Jeffrey R. White, Albert D. Darby, Jr., Rodney D. Nelson | 1998-06-09 |
| 5734963 | Remote initiated messaging apparatus and method in a two way wireless data communications network | Brendan T. Fitzgerald, Donald K. Belcher, Jeffrey R. White, Albert D. Darby, Jr., Rodney D. Nelson | 1998-03-31 |
| 5640442 | Technique for determining propagating and clear frequency to be used in wide area wireless data communications network | Brendan T. Fitzgerald, Donald K. Belcher, Jeffrey R. White, Albert D. Darby, Jr., Rodney D. Nelson | 1997-06-17 |
| 5557617 | Frequency division switching using RF buss | Donald K. Belcher, Earl B. Knick | 1996-09-17 |
| 4707832 | Switched point-to-point local area network control mechanism | Raymond R. Glenn, Robert S. Padgett, Pedro Uriarte, Joseph Bibb Cain, Gautam H. Thaker | 1987-11-17 |