Patents by Inventor Thomas C. Doty

Thomas C. Doty 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: D343708
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: January 25, 1994
    Assignee: Doty & Sons Concrete Products, Inc.
    Inventors: Thomas C. Doty, Samuel J. Doty
  • Patent number: D343709
    Type: Grant
    Filed: March 6, 1992
    Date of Patent: January 25, 1994
    Assignee: Doty & Sons Concrete Products, Inc.
    Inventors: Thomas C. Doty, Samuel J. Doty
  • Patent number: D393123
    Type: Grant
    Filed: May 20, 1997
    Date of Patent: March 31, 1998
    Assignee: Doty & Sons Concrete Products, Inc.
    Inventor: Thomas C. Doty
  • Patent number: D393125
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: March 31, 1998
    Assignee: Doty & Sons Concrete Products, Inc.
    Inventor: Thomas C. Doty
  • Patent number: D393126
    Type: Grant
    Filed: April 4, 1997
    Date of Patent: March 31, 1998
    Assignee: Doty & Sons Concrete Products, Inc.
    Inventor: Thomas C. Doty