| All Patents in class 192/84.1 |
Patents 1 -
15
of 15
      |
| Number | Date | Patentee | Title | Type |
| 12,691 | Apr. 10, 1855 | B.T. Norris | Machine for mortising blinds | mortising machines |
| 564,296 | Jul. 21, 1896 | O.S. Walker | Magnetic chuck | magnetic chucks |
| 723,840 | Mar. 31, 1903 | A.L. De Leeuw | Controlling Switch System | machine tool controls |
| 792,684 | Jun. 20, 1905 | T.S. Watson | Electric motor | electric motors |
| 1,056,242 | Mar. 18, 1913 | A.W. Whitcomb | Automatic Compensating Magnetic Clutch | metalworking variable speed mechanisms |
| 1,079,546 | Nov. 25, 1913 | A.W. Faxon, L.W. Downes | Magnetic Chuck | grinding attachments |
| 1,166,974 | Jan. 04, 1916 | A.L. De Leeuw | Machine Tool Control | machine tool controls |
| 1,665,742 | Apr. 10, 1928 | F.S. Kingston | Induction motor | induction motors |
| 2,310,878 | Feb. 09, 1943 | H.N. Stephan | Machine Tool | horizontal boring mills |
| 2,470,103 | May 17, 1949 | E. Lochman | Power-operated driving and braking mechanism | |
| 2,515,329 | Jul. 18, 1950 | F.H. Bogart | Power chuck wrench | metal lathe accessories and attachments |
| 2,573,152 | Oct. 30, 1951 | L.A. Leifer | Forward and Reverse Drive for Lathe Spindles | metalworking machine mechanisms |
| 2,641,873 | Jun. 16, 1953 | F.S. Haas | Automatic Truing Mechanism | grinder dressers |
| 2,706,544 | Apr. 19, 1955 | R.H. Schuman | Machine Tool Drive | metalworking machine mechanisms |
| 2,710,934 | Jun. 14, 1955 | J.A. Senn | Motor Controlled Machine Tool Positioning Mechanism | milling machines |
