Robert H. Tsukayama

Person

  • Southfield, MI, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Depression staking process

    • Patent number 4,763,397
    • Issue date Aug 16, 1988
    • Douglas & Lomason Company
    • Robert H. Tsukayama
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL