Learn more

HELLO DIRECT INC

Overview
  • Total Patents
    54
About

HELLO DIRECT INC has a total of 54 patent applications. Its first patent ever was published in 1996. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets telecommunications, audio-visual technology and machines are SUN ELECTRIC MFG COMPANY, BIFEN LIN and INTERNAT CALLOPHONE CORP.

Patent filings per year

Chart showing HELLO DIRECT INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Stelman Bruce W 26
#2 Maxon Eric K 11
#3 Wise Michael T 8
#4 Magnasco John H 7
#5 Cummings Susan J 6
#6 Magnasco John 5
#7 Jones Jeffrey S 4
#8 Lutzinger Richard J 3
#9 Schmidt Peter O 3
#10 Olson Kenneth G 3

Latest patents

Publication Filing date Title
US7162016B1 Multimedia adapter for headset amplifier
US6775390B1 Headset with movable earphones
US2003035562A1 Electronic device utilizing an earplug support element and method for providing the same
EP1221266A2 Method and apparatus for interfacing telephone apparatus to a digital, analog or hybrid telephone switching system
US7031454B1 Method and apparatus for interfacing telephone apparatus to a digital, analog or hybrid telephone switching system
WO0019685A1 Headset with adjustable earpiece
US6683949B1 Handset port interface including DC measurement and transmit path calibration
CN1278984A Method and apparatus for interfacing analog telephone apparatus to a digital, analog or hybrid telephone switching system
US5912964A Adaptive telephone handset interface
US6016347A Optical switch for headset
US6343126B1 Method and apparatus for interfacing analog telephone apparatus to a digital, analog or hybrid telephone switching system
US5953435A Intra-concha stabilizer with length adjustable conchal wall hook
CA2319224A1 Method of learning the characteristics of a telephone
US6081596A Automatic answering pick-up device
US5892823A Smart interface technology