Padlock Patent — Keyed
Inventor: Richard L Armstrong
View on USPTO / Google Patents ↗| Patent Number | 3505837 |
|---|---|
| Issue Date | 1968-10-02 |
| Inventor | Richard L Armstrong |
| Assigned To | NI West Inc |
| Patent Type | Keyed |
| External Link | https://patents.google.com/patent/US3505837/en ↗ |
