Daniel Simpson — 3 Patents | Patent Leaderboard

Daniel Simpson has been granted 3 US patents. The first was granted in 2011 and the most recent in September 2024. Daniel Simpson ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Daniel Simpson in University City, MO, US.

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
12083382	Mirror therapy device	David Roberts, Kenneth Monaghan, Monika Ehrensberger	2024-09-10
11396780	Wrench for use with making and breaking a drill string	Lee Johnson	2022-07-26
8076397	Printing ink base material	—	2011-12-13

Daniel Simpson — 3 Patents

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