Peter John Markall — 1 Patent at American Express

Peter John Markall has been granted 1 US patent while listed as an inventor at American Express. All of these patents were granted in 2025. Peter John Markall ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Peter John Markall in Burgess Hill, GB.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
12388653	Stateful hash-based signatures	Hicham Lozi	2025-08-12

Peter John Markall — 1 Patent

Issued Patents All Time

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