Patents by Inventor Robert E. Britt

Robert E. Britt 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).

  • Adjustable thresholds and methods of making and using the same
    Patent number: 4146995
    Abstract: The present invention relates to an adjustable threshold for use in door openings and adjustable to provide a better seal between the threshold and the door comprising first and second partial thresholds, fastening means to secure said first partial threshold to the floor, a flexible partial threshold operably mounted to and disposed between said first and second partial threshold, and a plurality of adjustable fastening means operably mounted on and disposed between said first and second partial thresholds such that such adjustable fastening means cause the first and second partial thresholds to be drawn toward or away from each other and thereby cause the flexible threshold to raise or lower at various points along the length of the threshold.
    Type: Grant
    Filed: November 1, 1976
    Date of Patent: April 3, 1979
    Inventor: Robert E. Britt
  • Discovery in adjustable thresholds and methods of making and using the same
    Patent number: 4003162
    Abstract: The present invention relates to an adjustable threshold for use in door openings and adjustable to provide a better seal between the threshold and the door comprising first and second partial thresholds, fastening means to secure said first partial threshold to the floor, a flexible partial threshold operably mounted to and disposed between said first and second partial threshold, and a plurality of adjustable fastening means operably mounted on and disposed between said first and second partial thresholds such that such adjustable fastening means cause the first and second partial thresholds to be drawn toward or away from each other and thereby cause the flexible threshold to raise or lower at various points along the length of the threshold.
    Type: Grant
    Filed: June 2, 1975
    Date of Patent: January 18, 1977
    Inventor: Robert E. Britt