RK

Robert Koeppel

PK Produits Chimiques Uging Kuhlmann: 2 patents #15 of 118Top 15%
RA R. H. Wyner Associates: 1 patents #6 of 7Top 90%
📍 Bron, MA: #1 of 1 inventorsTop 100%
Overall (All Time): #1,261,643 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6869900 Multi-layer protective fabrics Daniel M. Wyner 2005-03-22
6531419 Multi-layer protective fabrics Daniel M. Wyner 2003-03-11
4300324 Anhydrite cellular concrete composite building elements and their method of manufacture 1981-11-17
4233080 Anhydrite cellular concrete and composite building elements 1980-11-11