Ellicott City, MD, US
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Patent Grant
BlackBerry Limited
John Hanford Spears
H03 - BASIC ELECTRONIC CIRCUITRY
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Patent Grant
BlackBerry Limited
John Hanford Spears
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
BlackBerry Limited
John Hanford Spears
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Research In Motion RF, Inc
John H. Spears
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Research In Motion RF, Inc
John H. Spears
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Paratek Microwave, Inc.
John H. Spears
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
BlackBerry Limited
John H. Spears
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
RESEARCH IN MOTION RF, INC.
John Hanford Spears
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
RESEARCH IN MOTION RF, INC.
John Hanford Spears
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
PARATEK MICROWAVE, INC.
John H. Spears
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
PARATEK MICROWAVE, INC.
John H. Spears
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
John H. Spears
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Ken Hersey
G06 - COMPUTING CALCULATING COUNTING
