US Patent: RE20,974
|
Metal Working Apparatus
|
Patentees:
|
Paul R. Guirl (exact or similar names) - Rockford, Winnebago County, IL |
John S. Barnes (deceased, estate of) (exact or similar names) - Rockford, Winnebago County, IL |
|
Patent Dates:
|
Applied: |
Feb. 10, 1935 |
Granted: |
Jan. 10, 1939 |
Reissue Information: |
Reissue of 2,030,562 (Feb. 11, 1936) |
Patent Pictures:
[
1 | 2 | 3 | 4
]
|
|
|
USPTO (New site tip) Google Patents
Report data errors or omissions to steward
Joel Havens "Vintage Machinery" entry for W. F. & John Barnes Co.
|
Description: |
This patent was seen on a patent plate of a Cincinnati Cylindrical Grinder. |
|