Ellen L. Ratajak

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
System for implementing a performance-based customer referral program
- Patent number 8,732,011
- Issue date May 20, 2014
- Amazon.Com, Inc.
- Jeffrey P. Bezos
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Internet-based customer referral system
- Patent number 8,494,923
- Issue date Jul 23, 2013
- Amazon.Com, Inc.
- Jeffrey P. Bezos
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Use of shopping cart to collect and purchase items selected from mu...
- Patent number 7,512,548
- Issue date Mar 31, 2009
- Amazon.Com, Inc.
- Jeffrey P. Bezos
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Internet-based customer referral system
- Patent number 7,337,133
- Issue date Feb 26, 2008
- Amazon.Com, Inc.
- Jeffrey P. Bezos
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Internet-based customer referral system
- Patent number 6,029,141
- Issue date Feb 22, 2000
- Amazon.Com, Inc.
- Jeffrey P. Bezos
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM FOR IMPLEMENTING A NETWORK-BASED USER REFERRAL PROGRAM
- Publication number 20140172527
- Publication date Jun 19, 2014
- Amazon.com, Inc.
- Jeffrey P. Bezos
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SYSTEM FOR IMPLEMENTING A PERFORMANCE-BASED CUSTOMER REFERRAL PROGRAM
- Publication number 20110238528
- Publication date Sep 29, 2011
- Jeffrey P. Bezos
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
INTERNET-BASED CUSTOMER REFERRAL SYSTEM
- Publication number 20080167946
- Publication date Jul 10, 2008
- Jeffrey P. Bezos
- G06 - COMPUTING CALCULATING COUNTING