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US Patent: 1,121,675
Power slip-joint-forming machine
Albertus O. Slentz - Canton, OH

USPTO Classifications:
72/332, 72/404, 72/412

Tool Categories:
metalworking machines : sheet metal : sheet metal flanging machines

Canton Foundry & Machine Co. - Canton, OH

Canton Foundry & Machine Co. - Canton, OH

Sylvia Boron
F. W. Bond

Patent Dates:
Applied: Jul. 17, 1914
Granted: Dec. 22, 1914

Patent Pictures:
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"Vintage Machinery" entry for Canton Foundry & Machine Co.
"My invention relates to power slip joint forming machines and is designed to form a slip joint upon the ends of shet metal troughs such as eaves troughs and the like."

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