Patents by Inventor Alfred A. Wridt

Alfred A. Wridt has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Injector height measuring tool assembly
    Patent number: 4503619
    Abstract: The injector height measuring tool assembly includes a tool having a magnetic member to which is attached a dial gauge having a plunger. The member is placed on the follower injector body and magnetically adheres thereto. The distal end of the plunger engages a body of the injector. There is also included in the assembly a storage/calibration member which retains the magnetism in the member of the tool and also calibrates it.
    Type: Grant
    Filed: June 22, 1983
    Date of Patent: March 12, 1985
    Assignee: Snap-on Tools Corporation
    Inventors: Richard C. Nelsen, Alfred A. Wridt, John E. Fuhreck
  • Target including sliding scale
    Patent number: 4498244
    Abstract: The target includes an L-shaped member in which the short leg defines a fixed jaw. A second jaw is slidably mounted on the long arm of the member, which jaw is associated with latching means so that the two jaws can engage against the opposite side walls of a tire and be retained thereby. A second arm is spaced from and attached to the first arm and slidably carries a scale.
    Type: Grant
    Filed: October 14, 1983
    Date of Patent: February 12, 1985
    Assignee: Snap-on Tools Corporation
    Inventors: Roy B. Bendickson, Alfred A. Wridt