Robert E. Ruthven

Person

  • Milton-Freewater, OR, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Sorting apparatuses and sorting methods

    • Patent number 6,250,471
    • Issue date Jun 26, 2001
    • Key Technology, Inc.
    • Robert E. Ruthven
    • B07 - SEPARATING SOLIDS FROM SOLIDS SORTING
  • Information Patent Grant

    Article inspection and stabilizing system

    • Patent number 4,830,180
    • Issue date May 16, 1989
    • Key Technology, Inc.
    • W. Sheldon Ferguson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL