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US Patent: 81,432
Improvement in machine for turning logs in sawmills
Patentee:
Esau Tarrant - Muskegon, MI

USPTO Classifications:
83/711

Tool Categories:
woodworking machines : sawmills : sawmill accessories

Assignees:
Alexander Rodgers - Muskegon, MI

Manufacturer:
Muskegon Iron Works - Muskegon, MI

Witnesses:
John Lowe
Alexander Rodgers

Patent Dates:
Granted: Aug. 25, 1868

Patent Pictures:
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"Vintage Machinery" entry for Muskegon Iron Works
Description:
This patent was ultimately the subject of a major lawsuit between Torrent & Arms Lumber Co. versus Alexander Rodgers; see the description at patent RE5,487. There we learn that this patent was assigned to Alexander Rodgers, though not indicated as such on the patent specification. The patent was improved by Alexander Rodgers in patent 124,763, and reissued as patent RE5,487. It was the decision of the U.S. Supreme Court that the reissue expanded the scope of the original patent in a way that was designed to make Torrent & Arms infringe on Tarrant's earlier patent that was assigned to Rodgers.

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