| Patents for Benjamin P. Graves |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 1,286,292 | Dec. 03, 1918 | B.P. Graves | Milling Machine | milling machines |
| 1,474,525 | Nov. 20, 1923 | B.P. Graves | Adjustable Support for Workholders | milling machines |
| 1,480,900 | Jan. 15, 1924 | B.P. Graves | Milling Machine | milling machines |
| 1,480,901 | Jan. 15, 1924 | B.P. Graves | Milling Machine | milling machines |
| 1,654,496 | Dec. 27, 1927 | B.P. Graves | Milling Machine | milling machines |
| 1,678,384 | Jul. 24, 1928 | B.P. Graves | Variable Speed Driving Mechanism | metalworking variable speed mechanisms |
| 1,738,646 | Dec. 10, 1929 | B.P. Graves | Coolant Supply for Milling Machines | milling machine accessories |
| 1,738,647 | Dec. 10, 1929 | B.P. Graves | Machine Clamp | milling machines |
| 1,749,473 | Mar. 04, 1930 | B.P. Graves | Interlocking Manual and Power Feed Control | machine tool controls |
| 1,761,121 | Jun. 03, 1930 | W.F. Smith, B.P. Graves | Tripping Mechanism | machine tool controls |
| 1,794,361 | Mar. 03, 1931 | L.F. Nenninger, B.P. Graves, E.J. Kearney, J.B. Armitage | Milling-Machine Spindle and Tool | milling machine tools |
| 1,812,871 | Jul. 07, 1931 | B.P. Graves | Variable Speed Controller Mechanism | machine tool controls |
| 1,932,546 | Oct. 31, 1933 | W.A. Gigger, B.P. Graves | Milling Machine | milling machines |
| 1,942,209 | Jan. 02, 1934 | A.F. Bennett, B.P. Graves | Machine Tool | milling machines |
| 1,951,146 | Mar. 13, 1934 | A.F. Bennett, B.P. Graves | Transmission Mechanism for Machine Tools | milling machines |
