Patents by Inventor David D. Lawrence

David D. Lawrence 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).

  • FORM TIE BREAKER TOOL
    Publication number: 20040007282
    Abstract: Form tie breaking tools are disclosed which include first members, second members and third members. Each member includes a first end and a second end. In particular embodiments, the second member is attached to the first member at either of the second end or between first and second ends of the first member. The third member is attached to the remaining of the second end or between the first and second ends of the first member. Second and third members are attached to the first member approximately parallel to one another. Each third member first end has a form tie engaging member attached. Each form tie engaging member includes a first end and a second end and the form tie engaging member is substantially perpendicularly attached to the third member.
    Type: Application
    Filed: July 15, 2002
    Publication date: January 15, 2004
    Inventors: Chad H. Williams, David D. Lawrence
  • Form tie breaker tool
    Patent number: 6668872
    Abstract: Form tie breaking tools are disclosed which include first members, second members and third members. Each member includes a first end and a second end. In particular embodiments, the second member is attached to the first member at either of the second end or between first and second ends of the first member. The third member is attached to the remaining of the second end or between the first and second ends of the first member. Second and third members are attached to the first member approximately parallel to one another. Each third member first end has a form tie engaging member attached. Each form tie engaging member includes a first end and a second end and the form tie engaging member is substantially perpendicularly attached to the third member.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: December 30, 2003
    Inventors: Chad H. Williams, David D. Lawrence