Patents by Inventor David Matthew Herschel

David Matthew Herschel 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).

  • Breathing apparatus for reducing fogging of lenses caused by breath vapor
    Publication number: 20040221841
    Abstract: A breathing apparatus for hunting in colder temperatures that reduces fogging of eye glasses, rifle scopes, or camera lenses by redirecting breath vapor behind the body with a snorkel device with a flexible hose, and a breath scent carbon filtered exhaust. The device is provided a neck gator to attach the device to the hunter or nature enthusiast by pulling the device over the head and onto the neck.
    Type: Application
    Filed: May 5, 2003
    Publication date: November 11, 2004
    Inventor: David Matthew Herschel