ES

Erich Stephen

WB Westinghouse Air Brake: 3 patents #129 of 220Top 60%
Overall (All Time): #1,603,595 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6799393 Double trolley overhead door operator 2004-10-05
6718694 Drive nut assembly for a door operator Andre Stojc 2004-04-13
6324789 Encased overhead door operator having threadably attached mounts 2001-12-04