Patents by Inventor Edward L. Dobkins

Edward L. Dobkins 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).

  • Portable drill support with a work surface engaging base
    Patent number: 5342153
    Abstract: A drill support having a base, and a body secured to and supported by the base. A saddle member is movably disposed on the body and a drill is removably disposed or secured to the saddle member in order to move up and down therewith.
    Type: Grant
    Filed: May 14, 1993
    Date of Patent: August 30, 1994
    Inventor: Edward L. Dobkins
  • Linear positioning system
    Patent number: 5086705
    Abstract: The present invention is a positioning system providing precise linear and arcuate movements of the carriage along either straight or curved sections of rail comprising a pair of pivoting bogies attached to the carriage which have a pair of oppositely-directed ball bearing assemblies rigidly mounted to journal shafts on the bogies for retention and contact of the roller bearings with opposing sides of the rail running surfaces in a preloaded condition on the rail.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: February 11, 1992
    Inventors: Bernard Jarvis, Edward L. Dobkins