Padlock Patent — Indicator
Inventor: Pershall, James R.
View on USPTO / Google Patents ↗Classification: 70/435
| Patent Number | 208033 |
|---|---|
| Issue Date | September 17, 1878 |
| Inventor | Pershall, James R. |
| Patent Type | Indicator |
| External Link | https://patents.google.com/patent/US208033 ↗ |