John M. Dahlen

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Duxbury, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Low cost drifter
- Patent number 5,007,285
- Issue date Apr 16, 1991
- The Charles Stark Draper Laboratory
- John M. Dahlen
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Method and apparatus for measuring the undistorted magnetic field o...
- Patent number 4,972,593
- Issue date Nov 27, 1990
- The Charles Stark Draper Laboratory, Inc.
- John M. Dahlen
- G01 - MEASURING TESTING
Information Patent Grant
Buoyancy control for ocean characteristic measurement system
- Patent number 4,202,036
- Issue date May 6, 1980
- The Charles Stark Draper Laboratory, Inc.
- Philip N. Bowditch
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Adaptive controller for ocean characteristic measurement system
- Patent number 4,202,034
- Issue date May 6, 1980
- The Charles Stark Draper Laboratory, Inc.
- Philip N. Bowditch
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
System for measuring ocean current
- Patent number 4,191,049
- Issue date Mar 4, 1980
- The Charles Stark Draper Laboratory, Inc.
- Philip N. Bowditch
- B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information Patent Grant
Recording instrument adapted for use in remote unattended locations
- Patent number 3,935,592
- Issue date Jan 27, 1976
- Massachusetts Institute of Technology
- John M. Dahlen
- G01 - MEASURING TESTING