| All Patents in class 74/50 |
Patents 1 -
15
of 22
      |
| Number | Date | Patentee | Title | Type |
| 102,924 | May 10, 1870 | E. Doty | Improvement in machines for punching metal | metal shearing machines |
| 403,601 | May 21, 1889 | J. McAllister | Steam Engine | steam engines |
| 553,534 | Jan. 28, 1896 | A.E. Meissner | Reciprocating Drill | stoneworking |
| 717,942 | Jan. 06, 1903 | C.L. Ruehs, F. Streich | Mechanical movement | carving machines |
| 734,595 | Jul. 28, 1903 | F.C. Olin | Crank and Yoke Connection | |
| 848,635 | Apr. 02, 1907 | G.S. Comstock | Transmission mechanism | steam engines |
| 908,605 | Jan. 05, 1909 | F.C. Olin | Crank and Yoke Connection | |
| 1,441,132 | Jan. 02, 1923 | A.B. Tabor | Hair Clipper | hair clippers |
| 1,700,114 | Jan. 22, 1929 | C.H. Thompson | Surface Polishing Machine | polishing and buffing machinery |
| 2,367,864 | Jan. 23, 1945 | R.O. Hein | Filing machine | filing machines |
| 2,501,631 | Mar. 21, 1950 | M. Oschwald | Jig-saw mechanism | handheld power jigsaws |
| RE23,373 | Jun. 05, 1951 | M. Oschwald | Jig-saw mechanism | handheld power jigsaws |
| 2,621,522 | Dec. 16, 1952 | C.E. Miller | Tool Slide Actuating Mechanism | metalworking machine mechanisms |
| 2,635,651 | Apr. 21, 1953 | B.W. Hulfish | Jigsaw with drive of scotch yoke type | scrollsaws |
| 2,639,737 | May 26, 1953 | H.S. Forsberg | Motor driven reciprocating saw | handheld power tools |
