LexDanaLexDanabeta
Inventor

Richard Romagnino

Inventor
Montreal, CA

Overview

2→
Patents
1992–1997
Patent span
Electricity
Primary field (CPC H)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

H04Jprimary
H04JMultiplex communication25%
H04LTransmission of digital information, e.g. telegraphic communication25%
H04NPictorial communication, e.g. television25%
H04QSelecting25%
PatentTitleYear
5,646,678'Digital video network with continuous audio presence at network sites'19975,159,595'Ring transmission system'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1997Patents assigned to NORTHERN TELECOM LTD (2)· patent assignee history
1992–1997Based in Montreal, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTHERN TELECOM LTD21992–1997
Locations
LocationPatentsSpan
Montreal, CA21992–1997