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Inventor
LEFKOWITZ JAMES J
US
2 patents
⚠️ This page may combine multiple inventors who share the name “LEFKOWITZ JAMES J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BGC PARTNERS INC
1 patent
US7698199B2
Apr 13, 2010
System and method for offering a futures contract indexed to entertainment revenue
BGC PARTNERS INC
2 citations
59
COSTAKIS ALEXANDER M
1 patent
US10586282B2
Mar 10, 2020
System and method for trading based on tournament-style events
COSTAKIS ALEXANDER M
2 citations
52