Patents by Inventor Thomas E. Strikwerda

Thomas E. Strikwerda 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: 4731870
    Abstract: An improved platform transmitter terminal (PTT) is disclosed for use in an ARGOS type satellite system. The PTT has reduced size, weight and extended life due to a solar array/rechargeable battery power source operating under the supervision of a unique power supply control and protection means. The invented PTT, when used in an ARGOS type system, opens the possibility of tracking, on a global basis, wild animals weighing as little as a few kilograms.
    Type: Grant
    Filed: November 23, 1984
    Date of Patent: March 15, 1988
    Assignee: The Johns Hopkins University
    Inventors: Harold D. Black, John Daniels, Nadav Levanon, Thomas E. Strikwerda