JM

Jan J. G. Markus

📍 Krimpen aan den IJssel, NL: #4 of 38 inventorsTop 15%
Overall (All Time): #1,064,281 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4641462 Device for opening and closing a sliding-door 1987-02-10
4452014 Device for operating a sliding door 1984-06-05
D271812 Combination sliding door and rail cover 1983-12-13
4404770 Sliding door construction for closing an opening in a wall 1983-09-20
4185418 Sliding door, meant especially to be used in fire protection or insulation 1980-01-29