Patents by Inventor David P. Gagnon

David P. Gagnon 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).

  • Marine measurement device
    Patent number: 4673363
    Abstract: A sonobuoy having a terminal weight and sensor for deployment beneath the surface of the water after the buoy has been launched from an aircraft and impacted the water. A circuit assembly and antenna for processing output from the sensor and for transmitting a signal is provided. A cable for connecting the sensor and circuit assembly is also included. A housing for the sonobuoy is a blow molded seamless thermoplastic shell which surrounds the circuit assembly.
    Type: Grant
    Filed: November 8, 1985
    Date of Patent: June 16, 1987
    Assignee: Sippican Ocean Systems, Inc.
    Inventors: Alan T. Hudson, David P. Gagnon, David W. Johns, II, William J. Langenhein, Jr.