| All Patents in class 269/52 |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 7,229 | Apr. 02, 1850 | H. Aiken | Clamp | |
| 87,868 | Mar. 16, 1869 | C.E. Murray | Watchmakers' Tool | |
| 211,976 | Feb. 04, 1879 | P.C. Tritch, O.J. Doerty | Improvement in machines for tenoning spokes and boring fellies | wheelwright |
| 307,749 | Nov. 11, 1884 | E.A. Delano | Drilling-machine | drill presses |
| 397,311 | Feb. 05, 1889 | F. Schoff | Drilling-machine | portable metal drilling machines |
| 543,726 | Jul. 30, 1895 | L.G. Lord, O.O. Dinsmore | Tire Holder | tire repair tools |
| 616,305 | Dec. 20, 1898 | G.W. Fernside | Circular Saw Clamp | saw vises |
| 848,192 | Mar. 26, 1907 | H.E. Morton, M. Morton | Apparatus for Holding Connecting Rod Brasses for Locomotives, &c. | metal shaper accessories |
| 1,745,660 | Feb. 04, 1930 | W.J. Denning | Expanding Arbor | reamers |
| 1,947,957 | Feb. 20, 1934 | J.R. Tillman | Workholder | |
| 2,117,930 | May 17, 1938 | W.F. Zimmermann | Outboard Swivel Support | gear hobbing machines |
| 2,129,485 | Sep. 06, 1938 | H.W. Zimmerman | Boring machine | boring and turning machines |
