Patents by Inventor Randolph Albury

Randolph Albury 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).

  • Smoking device
    Patent number: 4480645
    Abstract: A smoking device composed of a tubular body having a one-way valve between an inlet and an outlet which is adapted to permit smoke to flow from the inlet to the outlet and wherein ports are provided between the one-way valve and the outlet so that when smoke is expelled through the device it will pass through the ports and down tubular lengths which are provided and connected in fluid communication with the ports and each of which contains a one-way valve to permit exhaust of the smoke.
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: November 6, 1984
    Inventor: Randolph Albury