Patents by Inventor John A. Fleig

John A. Fleig 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).

  • Preselected multiple dosage syringe
    Patent number: 4610668
    Abstract: A hypodermic syringe capable of extracting, retaining, and dispensing preselected dosages of fluid medication without dependency on eyesight. The hypodermic syringe has coacting stop means between the barrel and the plunger which may be biased in one direction to positively extract certain quantities and biased in an opposite direction to extract different quantities of fluids.
    Type: Grant
    Filed: October 2, 1985
    Date of Patent: September 9, 1986
    Inventor: John A. Fleig