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All Patents in class 83/344 | |||||
Number | Date | Patentee | Title | Type | |
158,920 | Jan. 19, 1875 | J. De Butt | Machines for Trimming and Beading Sheet-Metal | rotary cutters | |
1,636,267 | Jul. 19, 1927 | L. Williams | Combined rotary bevel shear and scrap cutter | metal shearing machines | |
1,753,967 | Apr. 08, 1930 | T. Robinson | Veneer trimmer | veneer machines |