Hirsch, John A. Trademarks
SMARTSHOE
Electronic wear indicator device, comprised of a sensor and microprocessor, wear indicator display and power source, placed…
Owned by: Hirsch, John A.
Serial Number: 78653142
SMARTSHOE
Electric or electronic sensors for detecting extent of shoe sole wear, loss of ability to cushion and absorb shock, and…
Owned by: Hirsch, John A.
Serial Number: 85562703
SMARTSHOE
Electric or electronic sensors for detecting extent of shoe sole wear, loss of ability to cushion and absorb shock, and…
Owned by: Hirsch, John A.
Serial Number: 86686973
