Patents by Inventor Charles Paul Hamler

Charles Paul Hamler 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).

  • Hand engraving sharpening device
    Publication number: 20080085666
    Abstract: A sharpening device that utilizes templates for sharpening specific shaped points. The templates are easily replaceable for grinding additional facets or for additional styles of points.
    Type: Application
    Filed: October 10, 2006
    Publication date: April 10, 2008
    Inventors: Steven James Lindsay, Charles Paul Hamler
  • Scraper plane insert
    Patent number: 5694696
    Abstract: A scraper plane and plane insert that substitutes, in the place of a conventional plane iron or blade and cap iron, a bracket formed by bending sheet mild steel to form two arms, one of which is secured to the frog and the other of which holds a scraper blade in a substantially upright position. Small adjustments in the angle between the scraper blade and plane sole can be made by actuating a micro-adjustment mechanism that forms a bridge between the support arm and securing arm of the bracket.
    Type: Grant
    Filed: August 12, 1996
    Date of Patent: December 9, 1997
    Assignee: Lee Valley Tools Ltd.
    Inventors: Leonard G. Lee, John S. Lynn, Charles Paul Hamler