Patents by Inventor Frederick Lucas

Frederick Lucas 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).

  • Mill box for materials grinder
    Publication number: 20060027690
    Abstract: A grinder having a grinding structure and a sizing screen is disclosed herein. A top cover covers the grinding structure. The sizing screen can be removed from the grinder by opening the cover, and lifting the sizing screen through the opening left by the cover.
    Type: Application
    Filed: October 4, 2005
    Publication date: February 9, 2006
    Applicant: Vermeer Manufacturing Company
    Inventors: Gary Verhoef, Frederick Lucas, Duane Harthoorn
  • Mill box for materials grinder
    Publication number: 20050098671
    Abstract: A grinder having a grinding structure and a sizing screen is disclosed herein. A top cover covers the grinding structure. The sizing screen can be removed from the grinder by opening the cover, and lifting the sizing screen through the opening left by the cover.
    Type: Application
    Filed: December 17, 2004
    Publication date: May 12, 2005
    Applicant: Vermeer Manufacturing Company
    Inventors: Gary Verhoef, Frederick Lucas, Duane Harthoorn