Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687574 | System and method for surveying utility outages | Stanley Pietrowicz, Frederick Link, Hamilton Rothrock | 2004-02-03 |
| 6480578 | Community emergency telephone notification system | — | 2002-11-12 |
| 6021177 | Community alarm/notification device, method and system | — | 2000-02-01 |
| 5535491 | Tag fastener | — | 1996-07-16 |