| All Patents in class 30/228 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
| | 1,651,823 | Dec. 06, 1927 | T.J. Kelleher | Electric sheet metal cutter |
 | RE17,139 | Nov. 20, 1928 | H.G. Vulliet, F.A. Deschâtres | Shears |
| | 1,737,884 | Dec. 03, 1929 | A. Hexdall | Sheet metal cutter attachment for electric motors |
 | 1,765,313 | Jun. 17, 1930 | U.F. Steindorff, G.A. Ungar | Portable shears |
 | 1,848,147 | Mar. 08, 1932 | G.A. Ungar | Portable shears |
 | 2,567,095 | Sep. 04, 1951 | A. Benjamin | Power nibbler |
 | 2,598,480 | May 27, 1952 | J.W. Wright | Power-operated saw having oppositely reciprocating saw blades. |
 | 2,934,822 | May 03, 1960 | M.H. Docken | Device for cutting sheet material |
 | 3,262,201 | Jul. 26, 1966 | M.H. Docken | Cutting device |
 | 4,173,069 | Nov. 06, 1979 | H.R. Hoffman, H.L. Sidenstick | Power shear head |
