1
Sandra W Smith: Pet collar having retractable leash. Luedeka Neely Group P C, July 31, 2012: US08230822 (8 worldwide citation)

A pet collar assembly is removably attached to a pet collar and carries a leash. The assembly allows for extending and retracting the leash and includes a housing, an actuator assembly for actuating retraction of the leash upon receiving force higher than a threshold retraction force, and a spool co ...


2
Sandra W Smith: Pet collar having retractable leash. Luedeka Neely & Graham PC, February 17, 2011: US20110036304-A1

A pet collar assembly is removably attached to a pet collar and carries a leash. The assembly allows for extending and retracting the leash and includes a housing, an actuator assembly for actuating retraction of the leash upon receiving force higher than a threshold retraction force, and a spool co ...