Patents by Inventor John Richard Filson

John Richard Filson 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).

  • Insulated terminal construction
    Patent number: 4012106
    Abstract: An insulated terminal including a conductor receiver barrel, an engaging element projecting from the barrel, and insulating material surrounding the barrel and engaging element.
    Type: Grant
    Filed: June 20, 1975
    Date of Patent: March 15, 1977
    Assignee: Minnesota Mining & Manufacturing Company
    Inventor: John Richard Filson
  • Snap spade electrical connector and method of manufacture
    Patent number: 3945709
    Abstract: A snap spade electrical connector including a generally flat U-shaped part having extending legs provided with inner projections defining a constriction, and work-hardened regions associated with the projections to reinforce the latter, including the method of manufacturing wherein the projections and workhardened regions are formed by swaging.
    Type: Grant
    Filed: December 5, 1974
    Date of Patent: March 23, 1976
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: John Richard Filson