Portfolio comparison
William F. Semple vs Research in Motion Ltd
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Top Patents1 enriched
US 98304· 1869
William Semple's 1869 Patent for Improved Chewing Gum
Activity by Decade
1860s1
Company B
Research in Motion Ltd
Patents indexed
1
Year range
2012
Most recent
2012
consumer_electronicstelecommunicationssoftware
Top Patents1 enriched
US 8219158· 2012
BlackBerry Device with QWERTY Keyboard and Trackball Design
Activity by Decade
2010s1
How to use
Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.