ROLM COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
H04M TELEPHONIC COMMUNICATION 1162
 
  
 
H04Q SELECTING 1109

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5594781 Mobile telephone connection transferApr 02, 96Jan 14, 97[H04Q]
5524243 Parallel programming of field programmable gate array devicesApr 28, 95Jun 04, 96[G06F]
5502761 Apparatus and method for relaying calling information to a pager or alternate telephoneMar 24, 94Mar 26, 96[H04M]
5287498 Message transmitting system wherein recipient site is determined using information concerning the relationship between the sender and recipient sitesApr 02, 91Feb 15, 94[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D346599 Telephone setExpiredJun 22, 92May 03, 94[]
D346384 Telephone setExpiredMar 10, 92Apr 26, 94[]
D345978 Telephone setExpiredJun 22, 92Apr 12, 94[]
D345979 Telephone setExpiredJun 22, 92Apr 12, 94[]
5268957 Automatic call-back "camp-on" service for communication systemsExpiredJun 24, 91Dec 07, 93[H04M]
D340054 Telephone setExpiredJun 22, 92Oct 05, 93[]
D340057 Add-on console for a telephone setExpiredJun 22, 92Oct 05, 93[]
D340058 Interface to a telephone setExpiredJun 22, 92Oct 05, 93[]
D340059 Interface to a telephone setExpiredJun 22, 92Oct 05, 93[]
5249186 Apparatus for detecting the start of frame in bipolar transmission systemsExpiredJan 16, 91Sep 28, 93[H04L, H04B]
5128619 System and method of determining cable characteristicsExpiredSep 05, 91Jul 07, 92[G01R]

Top Inventors for This Owner

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