US Patent: 1,023,112
|
| Stock Ringer
|
|
Patentees:
|
| William H. Leaver (exact or similar names) - Chicago, Cook County, IL |
| Charles H. Smith (exact or similar names) - Chicago, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
|
|
Patent Dates:
|
| Applied: |
Mar. 01, 1909 |
| Granted: |
Apr. 09, 1912 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens
|