TREA

Hemant M. Gandhi

Follow

Person

  • Toronto, Ontario, CA
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Charge transfer imaging cartridge
    • Patent number 4,958,172
    • Issue date Sep 18, 1990
    • Delphax Systems
    • Robert S. McCallum
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ionic print cartridge and printer
    • Patent number 4,745,421
    • Issue date May 17, 1988
    • Delphax Systems
    • Robert S. McCallum
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Ionic print cartridge and printer
    • Patent number 4,679,060
    • Issue date Jul 7, 1987
    • Robert S. McCallum
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS