Patents by Inventor Lawrence R MacAlister

Lawrence R MacAlister 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).

  • Cinderblock alignment clip
    Patent number: 6857240
    Abstract: A cinderblock alignment clip comprising a center plate having a first end and a second end. A first retaining arm having a first portion and a second portion, both the first portion and the second portion are connected to the first end. The first portion extends in a direction on a side of the center plate opposite the second portion. A second retaining arm having a third portion and a fourth portion, both the third portion and the fourth portion are connected to the second end. The third portion extends in a direction on a side of the center plate opposite the fourth portion. The first portion and the second portion are pivotable about the first end, and the third portion and the fourth portion are pivotable about the second end.
    Type: Grant
    Filed: January 24, 2003
    Date of Patent: February 22, 2005
    Inventor: Lawrence R MacAlister