Patents by Inventor Otto Adolf Roehrick

Otto Adolf Roehrick 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: 4081666
    Abstract: An ornamental lighting device to be used on the terraneous shelf of an Ecolarium, ecology tank, (two-tiered aquarium) simultaneously providing light for the aqueous area underneath the terraneous shelf and ornamental lighting effects of the garden area of the terraneous shelf. The device having an easily removable cap containing a light socket, a male connector, the base containing light and heat vents and a downward light vent also the female electrical connector.
    Type: Grant
    Filed: March 1, 1976
    Date of Patent: March 28, 1978
    Inventor: Otto Adolf Roehrick