Inventor
RUTHENBERG ROSS E
US4 patents
Patents
4 patentsUS5794151AAug 11, 1998
Frequency allocation for shared spectrum transmitter based on location
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US5475866ADec 12, 1995
System for informing secondary users of which radio channels are usable in which geographic region
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US5218273AJun 8, 1993
Multi-function field emission device
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US4491806AJan 1, 1985
Resonant cavity with integrated microphonic suppression means
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