Padlock Patent — Combo+Keyed
Inventor: Everett L. Calegan
View on USPTO / Google Patents ↗| Patent Number | 4055972 |
|---|---|
| Issue Date | 1976-06-01 |
| Inventor | Everett L. Calegan |
| Assigned To | JUNKUNC BROS AMERICAN LOCK Co |
| Patent Type | Combo+Keyed |
| External Link | https://patents.google.com/patent/US4055972/en ↗ |
