WG

Walter Grabowski

DK Dorma Gmbh + Co. Kg: 3 patents #21 of 96Top 25%
📍 Olpe, NJ: #1 of 1 inventorsTop 100%
Overall (All Time): #1,056,113 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5430251 Installation system Hasso Freundner 1995-07-04
5383090 Electrical energy distribution system Hasso Freundner 1995-01-17
5326933 Electrical installation system Hasso Freundner 1994-07-05
4744098 Roulette calculator 1988-05-10
4181395 Connector for electrical components to be installed in flush receptacle boxes 1980-01-01