Doorbell activating device for pets
Номер патента: CA1258306A
Опубликовано: 08-08-1989
Автор(ы): Gordon E.L. Gunoff
Принадлежит: Individual
Опубликовано: 08-08-1989
Автор(ы): Gordon E.L. Gunoff
Принадлежит: Individual
Реферат: ABSTRACT A doorbell ringing device for pets. Consisting of a movable device to be hung respectively on the outer surface of a house or other building for yieldable movement under the impetus of a pets clawing or scratching thereagainst, activating a electrical switch, which provides a audible means to indicate that the animal desires ingress.
Videos for Pets and Methods for the Creation Thereof
Номер патента: US20160157464A1. Автор: Ron Levi,Guy Martinovsky,Gilad Neuman. Владелец: PTV Media Ltd. Дата публикации: 2016-06-09.