John Grimshaw — 2 Patents at Elcometer Limited

John Grimshaw has been granted 2 US patents while listed as an inventor at Elcometer Limited. The first was granted in 2011 and the most recent in April 2025. John Grimshaw ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list John Grimshaw in Oldham, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
12285843	Control system for abrasive blasting apparatus and abrasive blasting apparatus	Ian Mason, Michael Carrington Sellars	2025-04-29
7963071	Louvre window system	Edwin John Alexander, Robert W. Allen, Keith James Chaston	2011-06-21

John Grimshaw — 2 Patents

Issued Patents All Time

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