| Patents for Ex-Cell-O Corp. |
Patents 1 -
15
of 18
      |
| Number | Date | Patentee | Title | Type |
| 1,708,491 | Apr. 09, 1929 | C.R. Alden | Method of finishing ball bearings | industrial machine bearings |
| 1,864,707 | Jun. 28, 1932 | C.R. Alden | Slip bushing | drill press accessories |
| 2,000,553 | May 07, 1935 | C.R. Alden | Machine tool | horizontal boring mills |
| 2,012,677 | Aug. 27, 1935 | C.R. Alden | Spindle structure | grinders |
| 2,111,299 | Mar. 15, 1938 | O.E. Robbins | Magnetic Sine Table | angle bars and angle plates |
| FR-828,200 | May 11, 1938 | O.E. Robbins | Magnetic Sine Table | angle bars and angle plates |
| 2,179,573 | Nov. 14, 1939 | R.B. Criddle | Retractable Tool and Holder Therefor | metalworking machine tool holders |
| 2,351,773 | Jun. 20, 1944 | H.J. Lovenston | Device for Determining Angles | grinding attachments |
| 2,375,255 | May 08, 1945 | M.A. Mathys, I.J. Snader | Hydraulic Transmission for Machine Tools | hydraulic apparatus |
| 2,460,472 | Feb. 01, 1949 | H.N. Seyferth | Process for improving the surface of form ground races | industrial machine bearings |
| 2,937,732 | May 24, 1960 | S.G. Brady | Linear Indexing Mechanism | indexers and dividers |
| 2,960,804 | Nov. 22, 1960 | S.G. Brady | Machine for Grinding the Back-Off from the Cutting Edges of Tools of the Broach Type | broach sharpening machines |
| 3,024,577 | Mar. 13, 1962 | W. Dralle, S.G. Brady | Helical Gear or Spline Grinder | gear grinding machines |
| 3,038,280 | Jun. 12, 1962 | W. Dralle | Internal Stock Divider | grinding attachments |
| 3,061,935 | Nov. 06, 1962 | J.T. De Witt | Instrument for Determining Angles | grinding attachments |
