W. R. Buchan

Person

  • Pocasset, MA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Charged particle printer

    • Patent number 5,006,869
    • Issue date Apr 9, 1991
    • Delphax Systems
    • W. R. Buchan
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS