Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6072392 | Apparatus and method for monitoring and recording the audible environment of a child, patient, older person or pet left in the care of a third person or persons | Herbert Jefferson Henderson, Jose Armando Coronado | 2000-06-06 |