Inventor
MUZUMDAR DEEPAK R
9 patents
Patents
9 patentsUSD272622SFeb 14, 1984
Large telephone keyset
SIEMENS CORP10 citations72
USD269613SJul 5, 1983
Telephone with function keys
SIEMENS CORP9 citations72
USD269612SJul 5, 1983
Large telephone keyset with display
SIEMENS CORP8 citations72
US4389544AJun 21, 1983
Digital telephone apparatus
SIEMENS CORP12 citations72
USD269179SMay 31, 1983
Small telephone keyset
SIEMENS CORP7 citations72
USD269178SMay 31, 1983
Telephone with display
SIEMENS CORP10 citations72
USD269089SMay 24, 1983
Small telephone keyset with display
SIEMENS CORP15 citations72
USD269781SJul 19, 1983
Telephone busy lamp field console with display
SIEMENS CORP3 citations61
USD269675SJul 12, 1983
Telephone busy lamp field console
SIEMENS CORP5 citations61