Patents by Inventor Edward E. Sebesta

Edward E. Sebesta 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).

  • Patent number: 4980550
    Abstract: A radon measuring device having a housing formed of at least two mating portions and coupled together by a fastener. At least one aperture extends through the housing to permit ambient atmosphere to enter the housing and includes a filter or membrane positioned to cover the aperture for filtering radon from other particles from the ambient atmosphere as it enters the housing. A radon detector is positioned within the housing for measuring the concentration of radon in the ambient atmosphere which passes through the aperture and the filter into the housing. A filter support member also is inclined for positioning the filter proximate the aperture and pressing the filter against the housing.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: December 25, 1990
    Assignee: Radiation Safety Services, Inc.
    Inventors: Eli A. Port, Terry W. Liaboe, Edward E. Sebesta