27655 ⎘
Miscellaneous game characteristics with measuring devices; Timers Chess clocks
Chess clock with QR code scanner and methods of use thereof
#2Chess clock with QR code scanner and methods of use thereof
#3Wireless programmable digital chess clock
#4Electronic Game Timer System
#5WIRELESS PROGRAMMABLE DIGITAL CHESS CLOCK
#6Collapsible chess clock
#7CHESS PLAYING METHOD AND DEVICE FOR CARRYING OUT SAID METHOD
#8Digital chess clock displaying calculated playing speed