Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D259255 | Portable burglar alarm | John Menzies | 1981-05-19 |
| 4264899 | Portable alarm for entry detection | John Menzies | 1981-04-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D259255 | Portable burglar alarm | John Menzies | 1981-05-19 |
| 4264899 | Portable alarm for entry detection | John Menzies | 1981-04-28 |