River Forest, Illinois
United States
3
2012-02-16
The entities that hold a legal rights for patent applications filed by inventor Levin Hillel:
Hillel Levin from River Forest, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Interactive marketing network and process using electronic certificates
#2 | 2008-11-20Interactive marketing network and process using electronic certificates
#3 | 2008-07-15Process for the distribution and redemption of coupons
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