Donald F. Ream

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Washington, DC, US

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Patents Grantslast 30 patents

Information Patent Grant
Underwater electric current and alternating magnetic field detector
- Patent number 4,218,975
- Issue date Aug 26, 1980
- The United States of America as represented by the Secretary of the Navy
- Donald F. Ream
- F42 - AMMUNITION BLASTING
Information Patent Grant
Underwater electric current and alternating magnetic field detector
- Patent number 4,210,083
- Issue date Jul 1, 1980
- The United States of America as represented by the Secretary of the Navy
- Donald F. Ream
- F42 - AMMUNITION BLASTING