Patents by Inventor Richard D. Smidtke

Richard D. Smidtke 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: 6038805
    Abstract: A scent steamer with collapsible upper and lower sections. The upper section holds bottles of liquid scent which are heated from the lower section, thereby causing the scents to vaporize in a slow manner into the surrounding environment.
    Type: Grant
    Filed: July 16, 1998
    Date of Patent: March 21, 2000
    Inventor: Richard D. Smidtke