Patents/Inventors

Wiktor Grajkowski

LondonGB2 patents

3 Patents

US123645842025
Electric Toothbrush System with Pressure Detection
Playbrush Ltd
0 cites
US120358002024
Electric Toothbrush System
PLAYBRUSH LIMITED
0 cites
US119419972024
Toothbrush Coaching System
PLAYBRUSH LIMITED
0 cites