| All Patents in class 74/378 |
Patents 31 -
43
of 43
      |
| Number | Date | Patentee | Title | Type |
| 1,505,074 | Aug. 12, 1924 | D.C. Klausmeyer | Disc Clutch Reverser | metalworking power transmission |
| 1,510,623 | Oct. 07, 1924 | D.C. Klausmeyer | Friction Reverser | metalworking power transmission |
| 1,565,927 | Dec. 15, 1925 | S.W. Green | Woodworking tool and operating means therefor | molders |
| 1,576,549 | Mar. 16, 1926 | O.L. Riegels | Engine-starting device | motor vehicles |
| 1,625,397 | Apr. 19, 1927 | A.E. Robinson | Friction Clutch Mechanism | metalworking machine clutches |
| 1,670,794 | May 22, 1928 | J.B. Armitage | Power Transmitting Mechanism | metalworking machine mechanisms |
| 1,685,638 | Sep. 25, 1928 | D.C. Klausmeyer | Condensed Clutch for Reversing Mechanisms | metalworking machine mechanisms |
| 1,710,913 | Apr. 30, 1929 | J.B. Armitage | Machine Tool Organization | milling machines |
| 1,858,995 | May 17, 1932 | D.C. Klausmeyer | Detachable Spindle Drive and Feed Unit | metalworking machine mechanisms |
| 2,022,436 | Nov. 26, 1935 | L.L. Schauer, A.M. Sosa | Convertible upright drill | drill presses |
| 2,070,372 | Feb. 09, 1937 | L.L. Schauer, A.M. Sosa | Sleeveless motion reverse | drill presses |
| 2,273,807 | Feb. 17, 1942 | R.m. Woytych | Speed Change Gearing | metalworking speed changing mechanisms |
| 2,602,347 | Jul. 08, 1952 | P.V. Miller | Thread Gauge Drive | thread gages |
