Patents by Inventor Miguel A. Guerra

Miguel A. Guerra 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).

  • Data storage device with roller lubricant that provides excellent drag force characteristics
    Patent number: 5448440
    Abstract: A data storage device, of the type having a roller mounted on a shaft, wherein the roller has a central bore adapted to receive the shaft, and wherein a lubricant is provided between the shaft and the roller, the lubricant comprising a lubricant carrier, a plurality of fluorinated resin particles dispersed in the lubricant carrier, and a dispersing agent which is a copolymer of monomers, the monomers comprising a nonfluorinated monomer and a fluorinated monomer, such that the copolymerized dispersing agent comprises a plurality of nonfluorinated segments and a plurality of fluorinated segments.
    Type: Grant
    Filed: June 16, 1994
    Date of Patent: September 5, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Kam W. Law, Miguel A. Guerra, Mary R. Hable
  • Curing fluorocarbon elastomers
    Patent number: 5384374
    Abstract: Fluorocarbon elastomer gum is compounded with fluorinated ether compositions, the resulting compounded gum is shaped and heated to form a cured shaped article such as automotive fuel line hose or O-ring.
    Type: Grant
    Filed: July 27, 1993
    Date of Patent: January 24, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Miguel A. Guerra, David A. Stivers
  • Curing fluorocarbon elastomers
    Patent number: 5266650
    Abstract: Fluorocarbon elastomer gum is compounded with fluorinated ether compositions, the resulting compounded gum is shaped and heated to form a cured shaped article such as automotive fuel line hose or O-ring.
    Type: Grant
    Filed: October 11, 1909
    Date of Patent: November 30, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Miguel A. Guerra, David A. Stivers