Patents by Inventor Norbert V. Krogstad

Norbert V. Krogstad 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).

  • Flashing and weep/vent system for a masonry wall
    Patent number: 6662504
    Abstract: The combination of: a) a first water collection section for a masonry wall having a first bottom wall, a first back wall, and a first side wall bounding a first collection space; b) a second water collection section for a masonry wall having a second bottom wall, a second back wall, and a second side wall bounding a second collection space; and c) a first connector for joining the first and second water collection sections to maintain the first and second water collection sections in an operative relationship.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: December 16, 2003
    Inventor: Norbert V. Krogstad
  • Flashing and weep/vent system for a masonry wall
    Publication number: 20020152693
    Abstract: The combination of: a) a first water collection section for a masonry wall having a first bottom wall, a first back wall, and a first side wall bounding a first collection space; b) a second water collection section for a masonry wall having a second bottom wall, a second back wall, and a second side wall bounding a second collection space; and c) a first connector for joining the first and second water collection sections to maintain the first and second water collection sections in an operative relationship.
    Type: Application
    Filed: April 18, 2001
    Publication date: October 24, 2002
    Inventor: Norbert V. Krogstad