Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6138081 | Data acquisition system and method for monitoring gas turbine engine testing | John E. Olejack | 2000-10-24 |
| 5311582 | Integrated cocot and regulated paystation telephone system | Marcus K. Davenport, Thomas D. Young, Stephen H. Strode | 1994-05-10 |
| 5216707 | Circuit for firing paystation coin relay using power derived from telephone line tip/ring voltage | Marcus K. Davenport, Thomas D. Young, Stephen H. Strode | 1993-06-01 |
| 5187739 | Answer supervision circuit for paystation telephone with non-muted microphone | Marcus K. Davenport, Thomas D. Young, Stephen H. Strode | 1993-02-16 |