| All Patents in class 116/233 |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 1,495,080 | May 20, 1924 | D.C. Klausmeyer | Self Indicating Variable Spindle Drive | metalworking variable speed mechanisms |
| 1,686,383 | Oct. 02, 1928 | D.C. Klausmeyer | Cam Controlled Twenty-Four Speed Mechanism | metalworking speed changing mechanisms |
| 1,763,158 | Jun. 10, 1930 | H.M. Norris, D.C. Klausmeyer | Thirty-Six Speed Head | metalworking speed changing mechanisms |
| 1,764,515 | Jun. 17, 1930 | D.C. Klausmeyer | Direct Reading Gear Shift Mechanism | metalworking speed changing mechanisms |
| 1,813,002 | Jul. 07, 1931 | J.J. Van Hamersveld | Indicator | metal lathe accessories and attachments |
| 1,957,310 | May 01, 1934 | J.B. Armitage | Machine Tool Transmission and Control | milling machines |
| 1,965,167 | Jul. 03, 1934 | R.M. Woytych | Adjustment Indicator | metalworking speed changing mechanisms |
| 1,991,349 | Feb. 12, 1935 | K.F. Gallimore | Gear Drive and Indicating Means Therefor | metalworking machine gearing |
| 2,153,463 | Apr. 04, 1939 | C.L. Grover | Index Plate for Boring and Milling Machines | metalworking machine mechanisms |
| 2,278,263 | Mar. 31, 1942 | W.G. Hoelscher | Speed Indicator Means | metal lathe mechanisms |
| 2,377,305 | Jun. 05, 1945 | C.A. Bickel | Gear change mechanism for lathes | metal lathes |
| 2,387,417 | Oct. 23, 1945 | V.v. Sundt | Lead Screw Gear Threading Box | metalworking power transmission |
| 2,419,639 | Apr. 29, 1947 | W.F. Groene | Lathe Transmission and Control Mechanism | machine tool controls |
| 2,521,312 | Sep. 05, 1950 | R.M. Bacon, H.J. Siekmann | Indicating and Adjusting Mechanism for Machine Tools | metalworking machine mechanisms |
| 2,572,479 | Oct. 23, 1951 | W.G. Hoelscher | Lathe Spindle Speed Control Mechanism | metal lathe mechanisms |
