H. Stuart Campbell — 2 Patents at Unknown

H. Stuart Campbell has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2016 and the most recent in February 2019. H. Stuart Campbell ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list H. Stuart Campbell in Bear, DE, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10207065	Mouthpiece for inhalers	Thomas P. Shanks	2019-02-19
D748242	Inhaler mouthpiece	Thomas P. Shanks	2016-01-26

H. Stuart Campbell — 2 Patents

Issued Patents All Time

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