| All Patents in class 125/11.15 |
Patents 1 -
14
of 14
      |
| Number | Date | Patentee | Title | Type |
| 686,599 | Nov. 12, 1901 | E.R. Fellows | Machine for Grinding Gear Generating Cutters | tool grinders |
| 1,594,393 | Aug. 03, 1926 | P.F. Vokal | Grinding Wheel Dressing Attachment | grinder dressers |
| 1,733,090 | Oct. 22, 1929 | H.W. Holmes | Centerless Grinder | grinding machines |
| 1,794,975 | Mar. 03, 1931 | R. Mershon | Grinding Machine | grinding machines |
| 2,025,885 | Dec. 31, 1935 | F.S. Haas, L.F. Nenninger | Grinding Machine | grinding machines |
| 2,142,285 | Jan. 03, 1939 | H. Pelphrey | Hob and Method of Manufacture | gear cutting tools |
| 2,207,804 | Jul. 16, 1940 | F.O. Hoagland | Drill Grinder | drill sharpening machines |
| 2,294,494 | Sep. 01, 1942 | J.C. Wilson | Grinding Wheel Dresser | grinder dressers |
| 2,456,061 | Dec. 14, 1948 | G. Hohwart | Double end center lapping machines | lapping machines |
| 2,623,337 | Dec. 30, 1952 | J.J. Falls | Universally adjustable protractor tool guide | grinding attachments |
| 2,641,873 | Jun. 16, 1953 | F.S. Haas | Automatic Truing Mechanism | grinder dressers |
| 2,853,993 | Sep. 30, 1958 | H.S. Jakobsen | Stone Dresser | grinder dressers |
| 2,978,843 | Apr. 11, 1961 | B.H. Johnson, F.E. Birtch | Apparatus for Grinding Double-Enveloping Worm Elements | gear grinding machines |
| 3,104,505 | Sep. 24, 1963 | J.L. Schohl | Thread Grinding Machine | metal lathe accessories and attachments |
