SYLVAN LEARNING SYSTEMS, INC.
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jan 01, 2013 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 364 Total Citation Count
- Mar 25, 1999 Earliest Filing
- 0 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
6733295 Learning system for enabling separate teacher-student interaction over selected interactive channelsOct 08, 02May 11, 04[G09B]
6729885 Learning system and method for engaging in concurrent interactive and non-interactive learning sessionsOct 08, 02May 04, 04[G09B]
6592379 Method for displaying instructional material during a learning sessionOct 03, 00Jul 15, 03[G09B]
6146148 Automated testing and electronic instructional delivery and student management systemMar 25, 99Nov 14, 00[G09B]
Expired/Abandoned/Withdrawn Patents
- No Patents to Display
Top Inventors for This Owner
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