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Patents for A. A. Wood & Sons Co.
Patents 1 - 6 of 6
First set of recordsLast set of records
166,673Aug. 10, 1875A.A. WoodImprovement in Hollow Augershollow bits
246,583Aug. 30, 1881A.A. WoodMachine for filing gin-saws
662,683Nov. 27, 1900A.A. WoodHollow Augerhollow bits
690,338Dec. 31, 1901A.A. WoodHollow Augerhollow bits
831,203Sep. 18, 1906A.A. WoodGin-saw-filing machines
982,166Jan. 17, 1911A.A. WoodGrinding-Machine
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