Portfolio comparison
Docutel Corp vs Proterra
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Docutel Corp
Patents indexed
1
Year range
1973
Most recent
1973
consumer_electronicssoftwarefinancesemiconductors
Top Patents1 enriched
US 3761682· 1973
Early Automatic Cash Dispenser Using Credit Cards
Activity by Decade
1970s1
Company B
Proterra
Patents indexed
1
Year range
2021
Most recent
2021
automotiveenergysoftwaretelecommunications
Top Patents1 enriched
US 11027624· 2021
Smart Charging for Electric Vehicle Batteries Based on Chemistry and Use
Activity by Decade
2020s1
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