Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34788 | Pressure change intrusion detector | William K. Logsdon | 1994-11-15 |
| 5351289 | Caller ID telephone security device | William K. Logsdon | 1994-09-27 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE34788 | Pressure change intrusion detector | William K. Logsdon | 1994-11-15 |
| 5351289 | Caller ID telephone security device | William K. Logsdon | 1994-09-27 |