Inventor
RATAJAK ELLEN L
US5 patents
⚠️ This page may combine multiple inventors who share the name “RATAJAK ELLEN L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AMAZON COM INC
3 patentsUS7337133B1Feb 26, 2008
Internet-based customer referral system
AMAZON COM INC220 citations98
US6029141AFeb 22, 2000
Internet-based customer referral system
AMAZON COM INC3,201 citations98
US7512548B1Mar 31, 2009
Use of shopping cart to collect and purchase items selected from multiple web sites
AMAZON COM INC84 citations97