Welsh; Russell J.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Welsh; Russell J..The latest application filed is for "method and system for monitoring television viewing".

Company Profile

0.9.0

Welsh; Russell J. - Toronto CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and system for monitoring television viewing Grant 5,374,951 - Welsh December 20, 1	1994-12-20
Method and apparatus for determining when a telephone handset is off-hook Grant 4,958,371 - Damoci , et al. September 18, 1	1990-09-18
Apparatus and method for automatically monitoring broadcast band listening habits Grant 4,955,070 - Welsh , et al. September 4, 1	1990-09-04
Video monitoring system Grant 4,857,999 - Welsh August 15, 1	1989-08-15
System and device for data transmission, and related method Grant 4,829,558 - Welsh May 9, 1	1989-05-09
Television and market research data collection system and method Grant 4,816,904 - McKenna , et al. * March 28, 1	1989-03-28
Television and market research data collection system and method Grant 4,658,290 - McKenna , et al. * April 14, 1	1987-04-14
Television viewer data collection system Grant 4,566,030 - Nickerson , et al. January 21, 1	1986-01-21
Television and market research data collection system and method Grant 4,546,382 - McKenna , et al. October 8, 1	1985-10-08

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