Learn more

ROLM CO

Overview
  • Total Patents
    67
About

ROLM CO has a total of 67 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, EPO (European Patent Office) and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets telecommunications, computer technology and digital networks are DAVOX CORP, SIEMENS ROLM COMM INC and BAUMEISTER CHRISTINE.

Patent filings per year

Chart showing ROLM COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Perelman Roberto 7
#2 Dunn Tave P 6
#3 Stell Larry A 6
#4 Ford Gordon 5
#5 Ford Gordon D 5
#6 Remson Joseph D 4
#7 Arbel Ygal 4
#8 Iglehart David 4
#9 Endick Norman 4
#10 Kaminsky Mark E 4

Latest patents

Publication Filing date Title
US5563881A Multihop distribution lists
US5524243A Parallel programming of field programmable gate array devices
US5559964A Cable connector keying
EP0642270A1 Method and apparatus for instantaneous in-band document exchange during a video conference
US5561703A System and method for integration of a paging server into a private branch exchange environment
WO9428664A1 Telecommunications system interfacing device and method
US5572698A System and method for allocating memory resources where the category of a memory resource determines where on a circular stack a pointer to the memory resource is placed
US5502761A Apparatus and method for relaying calling information to a pager or alternate telephone
EP0617538A1 Enhanced telephone conferencing equipment
US5425124A Lightpipe providing wide angle output
US5473672A Inband messaging system interface of a PBX
US5440616A Method and apparatus for interconnecting a messaging system and a private branch exchange
DE4341886A1 Accessing memory in HDLC communications protocol hardware machine system with server
EP0603600A2 Path delay compensation in an open-loop system.
US5430730A Method for building a sub-network in a distributed voice messaging system
US5440262A High-efficiency Ring/MWL generator
WO9407327A1 Method and apparatus for on-screen camera control in video-conference equipment
EP0588101A2 Message storage and retrieval systems employing selective caller processing.
EP0586953A2 Techniques for producing voice mail messages from various text inputs.
US5349640A Option bus adapter