Patents by Inventor Mark Shaff

Mark Shaff 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).

  • Multi-part foundation ventilator of variable preselected width
    Patent number: 6165066
    Abstract: A multi-part foundation ventilator. The ventilator has a first frame member with a first exterior peripheral edge flange, and, extending inwardly therefrom, a protruding wall portion of preselected width X.sub.1(A). The first inwardly protruding wall portion has an outer surface portion with a first receiving ledge portion and a protruding, first joining flange portion. A second frame member has a second inwardly protruding wall portion of preselected width X.sub.2(A). The second inwardly protruding wall portion further includes an outer surface portion, with a second receiving ledge portion and a second joining flange portion. The first joining flange portion of the first frame member is sized and shaped to fit in close fitting, overlying engagement with the second receiving ledge portion of the second frame member.
    Type: Grant
    Filed: March 19, 1999
    Date of Patent: December 26, 2000
    Assignee: Kaibab Metals, Inc.
    Inventors: Tom Sharp, W. Brent Taylor, Greg Ernst, David J. Manger, Mark Shaff