David B. Schaefer

Person

  • Apalachin, NY, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Band line printer with grooved platen

    • Patent number 5,315,928
    • Issue date May 31, 1994
    • International Business Machines Corporation
    • D. Michael Bocinski
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS