Public Timelines

For companies For educational institutions For teachers For students Dashboard

For educational institutions For teachers For students Dashboard

Create a timeline

Public timelines

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

jan 2, 2018 - US20130317788A1 Award date: 1/2/2018 Status: Active

Added to timeline:

Patent timeline

18 Dec 2019

0

0

398

Date:

jan 2, 2018

Now

~ 8 years and 5 months ago

About & Feedback Terms Privacy FAQ

Dashboard Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL