Peter Marshall — 5 Patents at Key Knife

Peter Marshall has been granted 5 US patents while listed as an inventor at Key Knife. The first was granted in 2002 and the most recent in November 2023. Peter Marshall ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Peter Marshall in Yate, OR, GB.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
11820033	Knife	—	2023-11-21
8839523	Safety knife	William Alfred Ireland	2014-09-23
D571180	Safety knife	—	2008-06-17
7069969	Wood cutting knife assembly providing improved knife stability	Andrew Knappett, Brian J. Rusaw, Bradley R. Stager, John S. Luecke	2006-07-04
6453559	Safety knife	William Alfred Ireland	2002-09-24

Peter Marshall — 5 Patents

Issued Patents All Time

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