A patent in the field of time, horology, clocks, and watches has issued as U.S. Patent 7,525,877 for “Time display system, method and device”.
time display
U.S. Patent 7,221,624 for “Time display system, method and device” issues
A patent in the field of time, horology, clocks, and watches has issued as U.S. Patent 7,221,624 for “Time display system, method and device”.
Biographer 