Patents by Inventor David C. Lougee

David C. Lougee 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).

  • Filter for aquariums
    Patent number: D319487
    Type: Grant
    Filed: July 11, 1990
    Date of Patent: August 27, 1991
    Assignee: Oceanic Systems, Inc.
    Inventors: David C. Lougee, Thomas G. Hudson, Thomas A. Giovanetti
  • Filter for aquariums
    Patent number: D319488
    Type: Grant
    Filed: July 11, 1990
    Date of Patent: August 27, 1991
    Assignee: Oceanic Systems, Inc.
    Inventors: David C. Lougee, Thomas G. Hudson, Thomas A. Giovanetti
  • Aquarium enclosure
    Patent number: D326935
    Type: Grant
    Filed: May 16, 1991
    Date of Patent: June 9, 1992
    Assignee: Oceanic Systems, Inc.
    Inventors: Jeffrey R. Watters, David C. Lougee, Anthony M. Thoes
  • Handle
    Patent number: D342203
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: December 14, 1993
    Assignee: Oceanic Systems, Inc.
    Inventor: David C. Lougee
  • Handle
    Patent number: D342204
    Type: Grant
    Filed: July 16, 1992
    Date of Patent: December 14, 1993
    Assignee: Oceanic Systems, Inc.
    Inventor: David C. Lougee
  • Handle
    Patent number: D386383
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: November 18, 1997
    Assignee: Oceanic Systems, Inc.
    Inventor: David C. Lougee