Patents Assigned to Thomas R. Morrison
  • Gearshift indicator with range adjustment
    Patent number: 4481901
    Abstract: A gearshift indicator measures the slope of a surface being traveled by a multi-geared vehicle and indicates the gear which should be used appropriately for the surface. An adjustment varies the relationship between slope and indication to accommodate headwind and the strength and characteristic of the rider.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: November 13, 1984
    Assignee: Thomas R. Morrison
    Inventor: William Blasnik