US Patent: 2,042,257
|
Machine Tool
|
Patentees:
|
Robert E. W. Harrison (exact or similar names) - Cincinnati, OH |
Cecil W. Hopkins (exact or similar names) - Cincinnati, OH |
USPTO Classifications: |
193/31R, 33/792, 38/1C, 409/133, 451/1, 451/17, 451/19, 451/242, 451/245, 451/6, 451/64, 81/57.4, 82/137
|
Manufacturer: |
Not known to have been produced |
|
Patent Dates:
|
Applied: |
Jun. 30, 1931 |
Granted: |
May 26, 1936 |
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens "Vintage Machinery" entry for Cincinnati Grinders, Inc.
|