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US Patent: 2,664,821
Method of and means for varying the circumference of printing cylinders
Patentee:
Harold W. Huffman - Hamilton, OH

USPTO Classifications:
101/378, 101/415.1

Tool Categories:

Assignees:
Hamilton Tool Co. - Hamilton, OH

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 13, 1951
Granted: Jan. 05, 1954

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Hamilton Tool Co.

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