P
PatentIndex
Search
Landscape
Sign in
Inventor
MARCUS LARRY A
US
8 patents
⚠️ This page may combine multiple inventors who share the name “MARCUS LARRY A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HARMAN INT IND
2 patents
US10154330B2
Dec 11, 2018
Gradient micro-electro-mechanical systems (MEMS) microphone
HARMAN INT IND
9 citations
81
US10771875B2
Sep 8, 2020
Gradient micro-electro-mechanical systems (MEMS) microphone
HARMAN INT IND
0 citations
49
AT & T CORP
2 patents
US5450372A
Sep 12, 1995
Magnetoresistive microphone and acoustic sensing devices
AT & T CORP
13 citations
73
USD355917S
Feb 28, 1995
Telephone handset
AT & T CORP
9 citations
73
BAUMHAUER JR JOHN C
1 patent
US7751575B1
Jul 6, 2010
Microphone system for communication devices
BAUMHAUER JR JOHN C
11 citations
78
LUCENT TECHNOLOGIES INC
1 patent
US5586183A
Dec 17, 1996
Extendable telephone handset with flexible electrical interconnection and matched impedance acoustical interface
LUCENT TECHNOLOGIES INC
10 citations
72
WELSH CHRISTOPHER T
1 patent
US8300871B2
Oct 30, 2012
Earphone for wideband communication
WELSH CHRISTOPHER T
6 citations
66
AT & T BELL LAB
1 patent
US5291541A
Mar 1, 1994
Coupling apparatus for telephone handsets
AT & T BELL LAB
6 citations
58