Patents by Inventor Matthew A. Neidfeld

Matthew A. Neidfeld 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: 5186507
    Abstract: A plasterer's hawk which preferably includes spring clips or other retaining members on the under side of the blade for holding putty and/or spackling knives or plaster spreaders. Two, three, four or more spring clips or other suitable retaining members can be circumferentially attached on the under side of the plasterer's hawk in order to hold the knives or spreaders under spring tension. The spring clips can be made of stainless steel, plastic or other non-corrodible material. The handle can be made as pistol grip from a soft rubber or injected molded plastic. A soft rubber foam gasket can be placed between the handle and under-side of the blade.
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: February 16, 1993
    Assignee: Matthew A. Neidfeld
    Inventor: Matthew A. Neidfeld