| All Patents in class 125/23.01 |
Patents 1 -
10
of 12
      |
| Picture | Number | Date | Patentee | Title |
| | 304,961 | Sep. 09, 1884 | C.W. Romoser | Machine for Trimming and Punching Slate |
 | 362,338 | May 03, 1887 | T. Walker | Universal joiner |
| | 533,352 | Jan. 29, 1895 | J.E. Ernest | Slate Cutter and Trimmer |
| | 701,724 | Jun. 03, 1902 | J.D. Hewitt | Combination lathe and circular saw |
 | 751,054 | Feb. 02, 1904 | J. Carr | Lathe tool-holder |
 | 1,082,521 | Dec. 30, 1913 | K. Hoepfner | Metal saw and trimmer |
 | 1,473,558 | Nov. 06, 1923 | J. Jensen | Punch |
| | 1,723,824 | Aug. 06, 1929 | M.E. Tobeler | Removable Tool Holder |
 | 1,814,151 | Jul. 14, 1931 | S.N. Gundlach | Shingle Cutter |
 | 1,981,695 | Nov. 20, 1934 | S.N. Gundlach | Shingle Cutter |
