Portfolio comparison
Expandable Grafts Partnership vs Ampex Corp
Side-by-side portfolio analysis — patents indexed, year ranges, and activity timeline.
Company A
Expandable Grafts Partnership
Patents indexed
1
Year range
1988
Most recent
1988
medical_devicescardiovascularbiotech
Top Patents1 enriched
US 4733665· 1988
How Doctors Implant a Permanent Stent Using a Balloon
Activity by Decade
1980s1
Company B
Ampex Corp
Patents indexed
1
Year range
1960
Most recent
1960
consumer_electronicsmechanicaltelecommunications
Top Patents1 enriched
US 2956114· 1960
How Ampex Invented Modern Video Recording on Magnetic Tape
Activity by Decade
1960s1
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