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Browse by Category: Main > Communications
Class Information
Number: D14/243
Name: Recording, communication, or information retrieval equipment > Video or audio transmission, recording or playback equipment > Element or attachment (11) > Telephone equipment > Telephone amplifier
Description:


Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
D536334 Speaker for a portable telephone Feb. 6, 2007
D530319 Handsfree stand device for a handset Oct. 17, 2006
D525241 Portable speakerphone with a pivoting microphone boom Jul. 18, 2006
D525231 Personal conferencing node Jul. 18, 2006
D501005 "Hands-free" mobile phone docking station and speakerphone Jan. 18, 2005
D499719 Universal hands-free desk unit for cellular telephones Dec. 14, 2004
D498224 Teleconference speakerphone Nov. 9, 2004
D494962 Hands free kit Aug. 24, 2004
D475044 Cup-holder speaker phone base May. 27, 2003
D474169 Audio conferencing device May. 6, 2003
D471187 Base for portable telephone Mar. 4, 2003
D471182 Telephone amplifier switch box Mar. 4, 2003
D467911 Hands free adapter Dec. 31, 2002
D465781 Hands free accessory for wireless telephones Nov. 19, 2002
D464957 Telephone conferencing device Oct. 29, 2002
D464333 Telephone headset amplifier Oct. 15, 2002
D460431 Adaptor for telephone Jul. 16, 2002
D457867 Telephone headset amplifier May. 28, 2002
D454561 Cell phone holder Mar. 19, 2002
D454558 Automatic dialer Mar. 19, 2002
D452236 Cup-holder speaker phone Dec. 18, 2001
D439892 Conference call apparatus Apr. 3, 2001
D437845 Portable phone holder Feb. 20, 2001
D434747 Speakerphone module for video conferencing system Dec. 5, 2000
D432528 Speakerphone accessory Oct. 24, 2000
D432121 Holder for a mobile telephone for an automobile Oct. 17, 2000
D430148 Hands-free accessory for communications equipment Aug. 29, 2000
D424065 PC telephone amplifier switch box May. 2, 2000
D412904 Telephone headset amplifier unit Aug. 17, 1999
D406841 Conference telephone Mar. 16, 1999
D405093 Telephone headset amplifier unit Feb. 2, 1999
D404037 Cellular telephone hands free adapter assembly Jan. 12, 1999
D399842 Speaker phone Oct. 20, 1998
D396716 Speaker phone Aug. 4, 1998
D387065 Teleconferencing device Dec. 2, 1997
D375496 Telephone apparatus Nov. 12, 1996
D373585 Modular base for a cordless portable telephone Sep. 10, 1996
D371135 Variable telephone ringer Jun. 25, 1996
D363723 Handsfree unit for a portable telephone Oct. 31, 1995
D363491 Handsfree unit for a portable telephone Oct. 24, 1995
D360210 Handsfree operation holder for a portable telephone Jul. 11, 1995
D356797 Remote control system for telephone Mar. 28, 1995
D355416 Transceiver module for a table-top teleconferencing system Feb. 14, 1995
D347228 Telephone dual earpiece May. 24, 1994
D346598 Transceiver module for a table-top teleconferencing system May. 3, 1994
D327068 Headset amplifier Jun. 16, 1992
D326267 Portable telephone amplifier unit May. 19, 1992
D319439 Adjunct answering machine Aug. 27, 1991
D316548 Combined telephone, digital clock and radio Apr. 30, 1991
D311541 Audioconference telephonic terminal set Oct. 23, 1990

1 2


 
 
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