Patents by Inventor Lawrence R. Davis

Lawrence R. Davis 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).

  • Moisture and air resistant wrap for windows, doors and sliders and method of using same
    Patent number: 6256956
    Abstract: A moisture and air tight barrier for windows, doors and sliders having improved installation and sealing characteristics, comprising a moisture and air tight wrap comprising a capsule portion and flange portion; and insulating material encapsulated in the capsule portion.
    Type: Grant
    Filed: June 26, 1998
    Date of Patent: July 10, 2001
    Inventor: Lawrence R. Davis
  • Book dimension detector
    Patent number: 5410157
    Abstract: The present invention detects a bad book, i.e. one having improper dimensions, by relying upon sensors for sensing the leading and trailing edges of the book and upon a circuit responsive to the sensors for detecting a bad book. A blocked sensor detector is provided for determining if one or more sensors are improperly blocked.
    Type: Grant
    Filed: June 6, 1994
    Date of Patent: April 25, 1995
    Assignee: R. R. Donnelley & Sons Company
    Inventor: Lawrence R. Davis