Patents by Inventor Thomas Ivor Goodwin

Thomas Ivor Goodwin 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).

  • Air filters
    Patent number: 5688299
    Abstract: An air filter includes a base member, a filter element, a connector for connecting the base member to a support, and releasable securing members for releasably securing the filter element to the base member. When the securing members are released, the filter element is removable from the base member while the base member remains connected to the support.
    Type: Grant
    Filed: August 14, 1995
    Date of Patent: November 18, 1997
    Inventor: Thomas Ivor Goodwin