Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4818855 | Identification system | David P. Sidlauskas, Theodore D. Geiszler | 1989-04-04 |
| 4768178 | High precision radio signal controlled continuously updated digital clock | Charles Clinton Conklin, Stephen O. Jeppson, David Schachter, Philip M. Spira, Paul L. Williams | 1988-08-30 |
| 4415885 | Intrusion detector | — | 1983-11-15 |
| 4365239 | Intrusion warning system | — | 1982-12-21 |
| 4257037 | Indicator and alarm for burglar alarms and the like | — | 1981-03-17 |
| 4254413 | E Field balanced phase intrusion alarm | — | 1981-03-03 |