| Patents for Raymond D. Wortendyke |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
| | 2,142,022 | Dec. 27, 1938 | R.D. Wortendyke, H. Ernst | Infeed Cycle Control Attachment |
| | 2,157,946 | May 09, 1939 | R.D. Wortendyke | Infeed Cycle Control Mechanism for Grinding Machines |
| | 2,254,010 | Aug. 26, 1941 | R.D. Wortendyke, C. Herfurth | Grinding Machine |
| | 2,289,110 | Jul. 07, 1942 | R.D. Wortendyke, H. Ernst | Milling Speed Calculator |
| | 2,294,265 | Aug. 25, 1942 | A.J. Graf, R.D. Wortendyke | Automatic Infeeding Mechanism for Grinding Machines |
| | 2,303,639 | Dec. 01, 1942 | R.D. Wortendyke, C. Herfurth | Grinding Machine |
| | 2,331,967 | Oct. 19, 1943 | R.D. Wortendyke, H. Ernst | Calculating Device |
| | 2,368,061 | Jan. 23, 1945 | R.D. Wortendyke | Milling Machine |
| | 2,620,823 | Dec. 09, 1952 | R.D. Wortendyke, R.R. Adams | Tracer Valve Mechanism with Dashpot |
| | 2,622,537 | Dec. 23, 1952 | R.D. Wortendyke | Pumping Mechanism |
