DDBH INVESTMENTS, LP

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Technologies

Intl Class Technology # of Patents Rank
 
 
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 173
 
 
 
H04Q SELECTING 197

Top Patents (by citation)

Patent # Title Filing Date Issue Date Intl Class Cited #
6,427,064 Method and apparatus for maintaining a database in a portable communication deviceJan 05, 94Jul 30, 02[H04Q, G08B]67

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6,427,064 Method and apparatus for maintaining a database in a portable communication deviceJan 05, 94Jul 30, 02[H04Q, G08B]

Top Inventors for This Owner

Inventor Name Address # of Patent/Pub
Henderson Daniel A
33300 Mission Blvd. #131, Union City, CA 94587
1