Patents by Inventor Alan Sparkman

Alan Sparkman 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).

  • Connecting member for concrete form
    Patent number: 5459971
    Abstract: A connector member for a concrete form includes connecting mechanisms adjacent its top and bottom edges for holding two connecting members together.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: October 24, 1995
    Inventor: Alan Sparkman