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• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
SIEMENS ROLM COMMUNICATIONS INC	M/S 210 4900 OLD IRONSIDES DR SANTA CLARA CA 95054

International Classification(s)

• 1403:COMMUNICATIONS EQUIPMENT, WIRELESS REMOTE CONTROLS....

• [Classification Symbol]

• [Patents Count]

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Bryant, David E	Austin, TX	15	360
Elkins, Erich C	San Francisco, CA	11	218
Erwin, Doug A	Austin, TX	8	155
Hillenmayer, Stefan	Munich, DE	89	970
Kingsbury, Mary E	Dallas, TX	10	152
McKinnon, Wayne E	Georgetown, TX	18	571
Skrypalle, Ulrich	Munich, DE	6	116

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: D387063

Telephone key expansion unit

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