| All Patents in class 74/400 |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 448,868 | Mar. 24, 1891 | E.N. Wickes | Winding-drum | hoists, winches, come-alongs |
| 461,253 | Oct. 13, 1891 | W.F. Barnes | Drilling-machine | drill presses |
| 1,523,723 | Jan. 20, 1925 | J.C. Schaf, Jr. | Universal holding carriage for test stands and lathes | metal lathe accessories and attachments |
| 1,565,927 | Dec. 15, 1925 | S.W. Green | Woodworking tool and operating means therefor | molders |
| 1,684,665 | Sep. 18, 1928 | W.W. Edwards | Radial drill | radial drill presses |
| 2,002,644 | May 28, 1935 | W.M. Pohl | Adjustable Worm Gearing | milling machine accessories |
| 2,228,664 | Jan. 14, 1941 | L.M. Knouse, C. Powers | Portable saw | handheld circular saws |
| 2,769,349 | Nov. 06, 1956 | O.A. Costello | Disconnectable Worm Gearing | industrial machine gearing |
| 3,064,497 | Nov. 20, 1962 | A.I. Zagar | Extensible tool supporting arm for drill and tap drive heads | tapping machines |
