for grinding buttons, nail heads, screw heads, bottle capsules or the like

Patents Grantslast 30 patents

  • Information Patent Grant

    Grinding machine for raised joints of rivets on sheet metal

    • Patent number 11,407,078
    • Issue date Aug 9, 2022
    • Jiangxi University of Science and Technology
    • Jun Tang
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Wood plug trimmer guide

    • Patent number 6,932,129
    • Issue date Aug 23, 2005
    • Dean W Hess
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Grinding box

    • Patent number 4,550,531
    • Issue date Nov 5, 1985
    • William L. Frey
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    3430388

    • Patent number 3,430,388
    • Issue date Mar 4, 1969
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2824319

    • Patent number 2,824,319
    • Issue date Feb 25, 1958
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2791069

    • Patent number 2,791,069
    • Issue date May 7, 1957
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2636320

    • Patent number 2,636,320
    • Issue date Apr 28, 1953
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2636319

    • Patent number 2,636,319
    • Issue date Apr 28, 1953
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2570302

    • Patent number 2,570,302
    • Issue date Oct 9, 1951
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2537625

    • Patent number 2,537,625
    • Issue date Jan 9, 1951
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2434513

    • Patent number 2,434,513
    • Issue date Jan 13, 1948
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2322024

    • Patent number 2,322,024
    • Issue date Jun 15, 1943
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2231977

    • Patent number 2,231,977
    • Issue date Feb 18, 1941
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2227865

    • Patent number 2,227,865
    • Issue date Jan 7, 1941
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2118548

    • Patent number 2,118,548
    • Issue date May 24, 1938
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2062106

    • Patent number 2,062,106
    • Issue date Nov 24, 1936
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1862671

    • Patent number 1,862,671
    • Issue date Jun 14, 1932
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1851566

    • Patent number 1,851,566
    • Issue date Mar 29, 1932
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1844073

    • Patent number 1,844,073
    • Issue date Feb 9, 1932
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1713257

    • Patent number 1,713,257
    • Issue date May 14, 1929
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1647131

    • Patent number 1,647,131
    • Issue date Nov 1, 1927
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1646132

    • Patent number 1,646,132
    • Issue date Oct 18, 1927
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1618518

    • Patent number 1,618,518
    • Issue date Feb 22, 1927
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1545709

    • Patent number 1,545,709
    • Issue date Jul 14, 1925
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1507382

    • Patent number 1,507,382
    • Issue date Sep 2, 1924
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1495156

    • Patent number 1,495,156
    • Issue date May 27, 1924
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1448969

    • Patent number 1,448,969
    • Issue date Mar 20, 1923
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1425331

    • Patent number 1,425,331
    • Issue date Aug 8, 1922
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1419489

    • Patent number 1,419,489
    • Issue date Jun 13, 1922
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1377491

    • Patent number 1,377,491
    • Issue date May 10, 1921
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents