Patents/Inventors

Dariusz Grabka

KitchenerCA2 patents

3 Patents

US121975612025
Systems, Methods, and Apparatus for Securing User Documents
D2L Corporation
0 cites
US117629812023
Systems, Methods, and Apparatus for Securing User Documents
D2L Corporation
0 cites
US116154952023
Methods and Systems for Representing Usage of an Electronic Learning System
D2L Corporation
0 cites