All Patents of Type: valve grinding tools |
Patents 1 -
15
of 69
|
Number | Date | Patentee | Title | Type |
160,159 | Feb. 23, 1875 | T.S. Carroll | Fitting Tool | valve grinding tools |
237,784 | Feb. 15, 1881 | E.V. Tanner | Machine for Grinding Plug Valves | valve grinding tools |
286,095 | Oct. 02, 1883 | J.D. Waldran | Valve Grinder | valve grinding tools |
836,487 | Nov. 20, 1906 | F.G. Crone | Valve Dresser | valve grinding tools |
918,049 | Apr. 13, 1909 | R.H. Hazeltine | Machine for Reseating Valves | valve grinding tools |
918,050 | Apr. 13, 1909 | R.H. Hazeltine | Valve Grinding Device | valve grinding tools |
926,957 | Jul. 06, 1909 | A.S. Noonan | Valve Truing Tool | valve grinding tools |
930,472 | Aug. 10, 1909 | F.I. Harding | Valve Grinder | valve grinding tools |
942,222 | Dec. 07, 1909 | I.C. Smith | Valve Grinder | valve grinding tools |
949,057 | Feb. 15, 1910 | H.W. Brown, G.H. Brown | Valve Reseating Device | valve grinding tools |
956,822 | May 03, 1910 | M.F. Parsons | Grinding Tool | valve grinding tools |
995,002 | Jun. 13, 1911 | C.A. Herle | Valve Grinding Tool | valve grinding tools |
998,660 | Jul. 25, 1911 | F.J. Vlchek | Compound Tool | combination tools |
1,005,864 | Oct. 17, 1911 | W.L. Milner | Valve Grinding Apparatus | valve grinding tools |
1,015,902 | Jan. 30, 1912 | N.E. Meredith | Valve Grinder | valve grinding tools |