Sebastopol, California
United States
3
2012-09-06
The entities that hold a legal rights for patent applications filed by inventor Warda Roswitha:
Roswitha Warda from Sebastopol, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Result-based Payment Method and System
#2 | 2008-05-08PERPETUAL EDUCATIONAL SYSTEM PROVIDING CONTINUOUS, PERSONALIZED LEARNING SESSIONS BASED ON A COMPREHENSIVE KNOWLEDGE BASE
#3 | 2007-04-05Software application for conducting online knowledge-based competitions
3250925 ⎘