Patents by Inventor Everitt Franklin Wood

Everitt Franklin Wood 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).

  • Abrasive article
    Patent number: 4001981
    Abstract: An abrasive article such as a cup-shaped grinding wheel is provided, said grinding wheel having a cup-shaped support member of a cross-section providing an annular support surface to which is secured an annular abrasive member consisting of an annular polyimide resin-bonded diamond abrasive member and an annular back-up member of abradable porous polyimide secured to the inside surface of the annular polyimide bonded diamond abrasive member; the porous polyimide back-up member wears away in use and therefore obviates the need for dressing the grinding wheel.
    Type: Grant
    Filed: June 26, 1975
    Date of Patent: January 11, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Everitt Franklin Wood