Patents by Inventor David Seear

David Seear 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).

  • Grinding apparatus comprising a tool holding jig
    Patent number: 5301473
    Abstract: A tool holding jig for a grinding machine has a tool holder 29 mounted on a parallelogram linkage having lower swivel rods 19 inclined slightly so that, as the tool holder 29 is rocked to and fro across the face 31 of a grinding wheel by a reciprocating drive arm 53, the grinding pressure is greatest at the center of the rocking motion.
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: April 12, 1994
    Inventor: David Seear