Peter Griffiths — 3 Patents at Cengage Learning

Peter Griffiths has been granted 3 US patents while listed as an inventor at Cengage Learning. The first was granted in 2013 and the most recent in May 2025. Peter Griffiths ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Peter Griffiths in Lovell Corners, MA, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
12307919	Apparatus and method for delivering adaptive educational content	James Chilton, Charles Qian, Jay Mehta, Thais Alencar	2025-05-20
12050880	System and method for content creation	James Chilton, Charles Qian	2024-07-30
8539336	System for linking to documents with associated annotations	Andrew Rutter	2013-09-17

Peter Griffiths — 3 Patents

Issued Patents All Time

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