James K. Ritchie

Person

  • Waterford, CT, US

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Wheelchair and alarm therefor

    • Publication number 20060055550
    • Publication date Mar 16, 2006
    • James A. Marquis
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Wheelchair and alarm therefor

    • Publication number 20030169175
    • Publication date Sep 11, 2003
    • James A. Marquis
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Wheelchair automatic anti-rollback assembly

    • Publication number 20010040354
    • Publication date Nov 15, 2001
    • 210 INNOVATIONS LLC
    • James K. Ritchie
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS