Patents by Inventor John M. Greenleaf

John M. Greenleaf 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).

  • Multiple unit flare launcher
    Patent number: 4266357
    Abstract: A signal pack which is primarily a multiple unit flare launcher, the casing of which provides a signal mirror, and the hand grip of which provides a distress whistle. A compartment is provided in the casing for storing a distress marker dye or an orange smoke signal cannister. The flare units are disposed in verticle side by side compartments from which they are fired by a moveable bolt assembly which, in the embodiment disclosed, is rendered useless after firing the last flare unit.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: May 12, 1981
    Assignee: Bristol Marine, Inc.
    Inventor: John M. Greenleaf