| All Patents in class 173/152 |
Patents 1 -
10
of 13
      |
| Picture | Number | Date | Patentee | Title |
 | 255,236 | Mar. 21, 1882 | C.E. Ball | Electric drill |
| | 387,121 | Jul. 31, 1888 | F.W. Taylor | Method of Feeding the Support of a Metal Cutting Tool |
 | 925,491 | Jun. 22, 1909 | G.S. Lowe | Machine for severing stay-bolts |
| | 2,247,479 | Jul. 01, 1941 | H.J. Caldwell | Honing machine |
| | 2,360,671 | Oct. 17, 1944 | A.C. Janke, C.O. Graves, F.S. Haas | Surface Grinder |
| | 2,573,368 | Oct. 30, 1951 | E.Y. Seborg | Reciprocatory drive for machine tools |
| | 2,602,437 | Jul. 08, 1952 | W.L. Tancred | Hydraulic Profiler for Truing Devices and the Like |
| | 2,706,892 | Apr. 26, 1955 | A.H. Dall, H. Fritschi | Tracer Control Circuit for Pattern Controlled Machines |
 | 2,914,031 | Nov. 24, 1959 | G.H. Fuehrer | Telescopic feed leg assembly |
 | 2,918,720 | Dec. 29, 1959 | R.E. Delamater | Cutting tool support |
