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US Patent: 1,537,437
Trimmer-saw mechanism
Patentee:
Gust Graffinberger - Portland, OR

USPTO Classifications:
137/596, 137/614.13, 137/625.27, 251/354, 83/508.1, 83/571, 91/409, 91/443

Tool Categories:
woodworking machines : circular saws : circular sawmills
woodworking machines : sawmills : circular sawmills

Assignees:
Metallic Manufacturing Co. - Portland, OR

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 18, 1922
Granted: May 12, 1925

Patent Pictures:
USPTO pdf tiff
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