Portfolio comparison
Hayes Microcomputer Products Inc vs James Ritty
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Hayes Microcomputer Products Inc
Patents indexed
1
Year range
1985
Most recent
1985
telecommunicationsconsumer_electronicsmechanical
Top Patents1 enriched
US 4549302· 1985
How Modems Use Guard Time to Switch Between Data and Commands
Activity by Decade
1980s1
Top Patents1 enriched
US 271363· 1883
How James Ritty's First Cash Register Tracked Sales
Activity by Decade
1880s1
How to use
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