Patents by Inventor Simon Petrus Rietema

Simon Petrus Rietema 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).

  • Patent number: 4059038
    Abstract: Assembly and method for guiding a portable power saw to make straight cuts in a workpiece is disclosed in which a reference edge is formed on a guidepiece held by the assembly. The reference edge is preferably formed by guiding the saw along a predetermined cutting path defined by the assembly to trim the guidepiece. To make a straight cut in a workpiece, the assembly is placed thereon with the reference edge defined by the guidepiece aligned along the line the cut is to be made and the power saw is guided by means of the assembly along the predetermined cutting path defined thereby.
    Type: Grant
    Filed: May 10, 1976
    Date of Patent: November 22, 1977
    Inventor: Simon Petrus Rietema