All Patents of Type: rotary cutters |
Patents 1 -
5
of 5
|
Number | Date | Patentee | Title | Type |
158,920 | Jan. 19, 1875 | J. De Butt | Machines for Trimming and Beading Sheet-Metal | rotary cutters |
374,151 | Nov. 29, 1887 | B. Gruhl | Circular Shears for Cutting Shells and Tubes | rotary cutters |
1,060,908 | May 06, 1913 | G.L. Knights | Rotary cutter for sheet metal | rotary cutters |
2,203,738 | Jun. 11, 1940 | L.W. Nash | Means for severing marginal trimmings as they are cut from sheet-metal strip | rotary cutters |
GB-1,447,421 | Aug. 25, 1976 | . | Web slitting apparatus article | rotary cutters |