Portable devices therefor

Patents Grantslast 30 patents

  • Information Patent Grant

    2890550

    • Patent number 2,890,550
    • Issue date Jun 16, 1959
    • B24 - GRINDING POLISHING
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    2865150

    • Patent number 2,865,150
    • Issue date Dec 23, 1958
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2243925

    • Patent number 2,243,925
    • Issue date Jun 3, 1941
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    2235417

    • Patent number 2,235,417
    • Issue date Mar 18, 1941
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1376274

    • Patent number 1,376,274
    • Issue date Apr 26, 1921
    • B24 - GRINDING POLISHING
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    1375284

    • Patent number 1,375,284
    • Issue date Apr 19, 1921
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1370141

    • Patent number 1,370,141
    • Issue date Mar 1, 1921
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    1346036

    • Patent number 1,346,036
    • Issue date Jul 6, 1920
    • B24 - GRINDING POLISHING