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PatentBrief

Portfolio comparison

John L. Mason vs Amazon Technologies

Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.

Company A

John L. Mason

Patents indexed

1

Year range

1858

Most recent

1858

mechanicalmaterials

Activity by Decade

1850s
1

Company B

Amazon Technologies

Patents indexed

4

Year range

2019 – 2023

Most recent

2023

softwareai_mltelecommunicationsconsumer_electronicsrobotics

Activity by Decade

2010s
1
2020s
3

How to use

Bookmark a comparison URL to save it. Format: /compare/companies?a=[slug]&b=[slug]. Also see patent-level comparison.