| Patents for Cincinnati Grinders, Inc. |
Patents 391 -
405
of 412
      |
| Number | Date | Patentee | Title | Type |
| 2,241,637 | May 13, 1941 | A.H. Dall, H. Ernst | Dynamic Balancing Mechanism for Machine Tools | grinding machines |
| GB-537,246 | Jun. 13, 1941 | n. listed | Improvements in or Relating to Machines for Finishing the Surface of a Cylindrical Workpiece by Abrasion | grinding machines |
| 2,248,948 | Jul. 15, 1941 | H.A. Bowers | Variable Speed Transmission | grinding machines |
| 2,249,065 | Jul. 15, 1941 | F.J. Theler | Grinding Machine | grinding machines |
| 2,254,002 | Aug. 26, 1941 | H. Ernst, J. Decker | Grinding Machine | grinding machines |
| 2,254,010 | Aug. 26, 1941 | R.D. Wortendyke, C. Herfurth | Grinding Machine | grinding machines |
| 2,254,020 | Aug. 26, 1941 | A.J. Graf, C.L. Schulte | Cambering Mechanism for Grinding Machines | grinding machines |
| 2,257,452 | Sep. 30, 1941 | A.H. Dall, G.W. Binns | Metal Finishing | grinding machines |
| 2,257,464 | Sep. 30, 1941 | A.J. Graf | Radius Truing Attachment | grinding machines |
| 2,271,817 | Feb. 03, 1942 | A.H. Dall, H. Ernst | Micrometer Mechanism | grinding machines |
| 2,272,048 | Feb. 03, 1942 | F.S. Haas | Headstock | grinding machines |
| 2,280,620 | Apr. 21, 1942 | F.J. Theler, G.W. Binns | Apparatus for Finishing Tubular Articles | grinding machines |
| 2,282,048 | May 05, 1942 | A.J. Graf | Headstock for Machine Tools | grinding machines |
| 2,294,265 | Aug. 25, 1942 | A.J. Graf, R.D. Wortendyke | Automatic Infeeding Mechanism for Grinding Machines | grinding machines |
| 2,301,582 | Nov. 10, 1942 | E.F. Render | Truing Mechanism | grinding machines |
