Patents by Inventor John V. Oldham, deceased

John V. Oldham, deceased 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).

  • Waste management disposal system
    Patent number: 5097750
    Abstract: A waste management disposal system which disposes of both solid and aerosol waste includes a housing divided into a solid waste containment area and a negative pressure plenum for drawing aerosol waste away from the solid waste containment area. A funnel is provided for guiding solid waste into the waste containment area and the negative pressure plenum draws the aerosol waste in a path orthogonal to the funnel. A filter is provided for filtering the aerosol contaminants from the air upon which it is being transported.
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: March 24, 1992
    Assignee: Lab Products, Inc.
    Inventors: John V. Oldham, deceased, Chinsoo Park, William M. Marston, John E. Sheaffer, Eric A. Deitrich, Neil E. Campbell, Albert P. Ruggieri