Robert R. Rollins

Person

  • Abington, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Method for making a spill-proof lid

    • Patent number 7,906,067
    • Issue date Mar 15, 2011
    • Robert R. Rollins
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL