Patents by Inventor Earl J. Smith

Earl J. 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).

  • Patent number: 6578220
    Abstract: A mattress assembly for providing a more restful and supportive nights sleep to a user. The mattress assembly includes a mattress core assembly and a support member that has a generally planar base having an upper surface for supporting the mattress core assembly. The mattress core assembly is positioned on the upper surface of the base.
    Type: Grant
    Filed: March 13, 2002
    Date of Patent: June 17, 2003
    Inventor: Earl J. Smith
  • Patent number: 4595395
    Abstract: A unique lubricating, corrosion inhibiting and rust inhibiting additive for alcohol fuels having from 1 to 5 carbon atoms is disclosed. The lubricating additive comprises a mixture consisting essentially of a lubricant, an emulsifying agent, ethylene-vinyl acetate copolymer and organic solvents formulated to obtain a mixture having a specific gravity substantially equivalent to that of the alcohol in which the lubricating additive will be mixed. The invention further comprises an alcohol fuel-lubricating additive mixture for use as a fuel in internal combustion engines as well as methods for preparing such mixtures.
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: June 17, 1986
    Inventor: Earl J. Smith