Duane R. Darr

Person

  • San Jose, CA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-line serial printer

    • Patent number 4,929,099
    • Issue date May 29, 1990
    • Qume Corporation
    • Scott M. Graham
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS