Patents by Inventor John N. Case

John N. Case 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).

  • Floating bag for pollution study
    Patent number: 4046178
    Abstract: A method of deploying a floating bag for observing marine life in a natural but controlled environment. The water level in the bag is slightly higher than the level of the water in the bag to maintain turgidity and stabilize the deployed bag. Also, the bag can easily be filled with water, substantially without the use of pumps.
    Type: Grant
    Filed: October 6, 1976
    Date of Patent: September 6, 1977
    Assignee: Case Existological Laboratories, Ltd.
    Inventor: John N. Case