US Patent: 1,631,386
|
Metal Bending Machine
|
Patentees:
|
William Seymour (exact or similar names) - Chicago, Cook County, IL |
James O. Groff (exact or similar names) - Chicago, Cook County, IL |
Albert Schaaf (exact or similar names) - Chicago, Cook County, IL |
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Apr. 02, 1925 |
Granted: |
Jun. 07, 1927 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens "Vintage Machinery" entry for Joseph T. Ryerson & Son
|