Patents by Inventor Franklin T. Pleasants

Franklin T. Pleasants 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: D462451
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: September 3, 2002
    Assignee: Marathon Ashland Petroleum LLC
    Inventors: Scott A. Smith, Frederick R. Bradshaw, Greg B. Amburgy, Roy L. Chamberlain, Jeffrey Davidson, Robert A. Fortman, Harson M. Whitman, James R. O'Neil, Franklin T. Pleasants
  • Patent number: D467351
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: December 17, 2002
    Assignee: Marathon Ashland Petroleum LLC
    Inventors: Scott A. Smith, Greg B. Amburgy, Frederick R. Bradshaw, Roy L. Chamberlain, Jeffrey A. Davidson, Robert A. Fortman, Harson M. Whitman, James R. O'Neil, Franklin T. Pleasants
  • Patent number: D471568
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: March 11, 2003
    Assignee: Marathon Ashland Petroleum LLC
    Inventors: Scott A. Smith, Greg B. Amburgy, Frederick R. Bradshaw, Roy L. Chamberlain, Jeffrey A. Davidson, Robert A. Fortman, Harson M. Whitman, James R. O'Neil, Franklin T. Pleasants
  • Patent number: D473952
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: April 29, 2003
    Assignee: Marathon Ashland Petroleum LLC
    Inventors: Scott Smith, Greg B. Amburgy, Frederick R. Bradshaw, Roy L. Chamberlain, Jeffrey A. Davidson, Robert A. Fortman, Harson M. Whitman, James R. O'Neil, Franklin T. Pleasants
  • Patent number: D477883
    Type: Grant
    Filed: November 16, 2000
    Date of Patent: July 29, 2003
    Assignee: Marathon Ashland Petroleum LLC
    Inventors: Scott Smith, Greg B. Amburgey, Frederick R. Bradshaw, Roy L. Chamberlain, Jeffrey A. Davidson, Robert A. Fortman, Whitman M. Harson, James R. O'Neil, Franklin T. Pleasants
  • Patent number: D429255
    Type: Grant
    Filed: February 19, 1998
    Date of Patent: August 8, 2000
    Assignee: Marathon Ashland Petroleum LLC
    Inventors: J. Michael Wilder, Phillip G. Collins, Franklin T. Pleasants