Patents by Inventor Edgar Wray Wood

Edgar Wray 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).

  • Box hole drill steel
    Patent number: 4082323
    Abstract: According to the invention, there is provided a box hole drill steel with a replaceable water pipe coaxially mounted therein by elastomeric support means.
    Type: Grant
    Filed: September 9, 1976
    Date of Patent: April 4, 1978
    Assignee: Smith International, Inc.
    Inventors: Edgar Wray Wood, Jerry Olympus Young