Padlock Patent — Wafer
Inventor: Chadwick, William E.; Creighton, John A.
View on USPTO / Google Patents ↗Classification: 00/00
| Patent Number | 1495883 |
|---|---|
| Issue Date | February 7, 1922 |
| Inventor | Chadwick, William E.; Creighton, John A. |
| Assigned To | Westberg, Edward |
| Patent Type | Wafer |
| External Link | https://patents.google.com/patent/US1495883 ↗ |