Warwick, RI, US
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Patent Grant
The United States of America as represented by the Secretary of the Navy
Derke R. Hughes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
The United State of America as represented by the Secretary of Navy
Derke R. Hughes
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
The United States of America as represented by the Secretary of the Navy
Derke R. Hughes
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Grant
The United States of America as represented by the Secretary of the Navy
Derke R. Hughes
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
The United States of America as represented by the Secretary of the Navy
Derke R. Hughes
F41 - WEAPONS
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Patent Grant
The United States of America as represented by the Secretary of the Navy
Derke R. Hughes
G01 - MEASURING TESTING
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Patent Grant
The United States of America as represented by Secretary of the Navy
Derke R. Hughes
F21 - LIGHTING
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Patent Application
Derke R. Hughes
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
DERKE R. HUGHES
G01 - MEASURING TESTING
