74158192
Apr 18, 1991
Sep 15, 1992
Active Trademark
electric and electronic operating systems for the remote opening and closing of windows, consisting of electronic control units, power supply units, control key pad units, sensors for [ sun, ] rain, moisture, temperature and wind, and electric motors sold as a unit therewith; electric control operating units for the remote opening and closing of screening for windows; and parts for the above goods
Electrical and Scientific Apparatus