| Patents for Ex-Cell-O Corp. |
Patents 1 -
10
of 18
      |
| Picture | Number | Date | Patentee | Title |
 | 1,708,491 | Apr. 09, 1929 | C.R. Alden | Method of finishing ball bearings |
 | 1,864,707 | Jun. 28, 1932 | C.R. Alden | Slip bushing |
 | 2,000,553 | May 07, 1935 | C.R. Alden | Machine tool |
 | 2,012,677 | Aug. 27, 1935 | C.R. Alden | Spindle structure |
| | 2,111,299 | Mar. 15, 1938 | O.E. Robbins | Magnetic Sine Table |
| | FR-828,200 | May 11, 1938 | O.E. Robbins | Magnetic Sine Table |
| | 2,179,573 | Nov. 14, 1939 | R.B. Criddle | Retractable Tool and Holder Therefor |
 | 2,351,773 | Jun. 20, 1944 | H.J. Lovenston | Device for Determining Angles |
| | 2,375,255 | May 08, 1945 | M.A. Mathys, I.J. Snader | Hydraulic Transmission for Machine Tools |
 | 2,460,472 | Feb. 01, 1949 | H.N. Seyferth | Process for improving the surface of form ground races |
