Patents by Inventor Edward M. Smith

Edward M. Smith 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).

  • Tillage apparatus and improved blade therefor
    Patent number: 4059161
    Abstract: A tillage apparatus for sod seeding usage includes a plurality of tillage unit assemblies having power driven blades receiving power from a tractor which tows the apparatus. An improved tillage blade is disclosed.
    Type: Grant
    Filed: August 26, 1975
    Date of Patent: November 22, 1977
    Assignee: Deere & Company
    Inventors: Edward M. Smith, James H. Casada, Timothy H. Taylor
  • Traveling-wave tube package with integral voltage regulation circuit for remote power supply
    Patent number: RE28782
    Abstract: A circuit is provided in a traveling-wave tube package which eliminates the need of manually setting the power supply voltage to match the proper operating voltage of the tube. The circuit utilized within the traveling-wave tube package forms a part of the power supply, the remainder of which is provided externally of the traveling-wave tube package. By selecting the proper circuit components, the traveling-wave tube package can be connected without adjustment to a power supply and still operates at the desired voltage.
    Type: Grant
    Filed: October 9, 1974
    Date of Patent: April 20, 1976
    Assignee: Teledyne, Inc.
    Inventors: John W. Caldwell, Edward M. Smith