Inventor

ZEMKE ERIC P

US3 patents

Patents

3 patents

US10920484B2Feb 16, 2021

Methods and apparatus for pet doors

Smartec Products LLC12 citations82

US12060743B2Aug 13, 2024

Methods and apparatus for pet doors

Smartec Products LLC5 citations71

US12359492B2Jul 15, 2025

Methods and apparatus for pet doors

Smartec Products LLC0 citations56