DS

David T. Sheller

WC W.R. Grace & Co.-Conn.: 3 patents #9 of 126Top 8%
📍 Garrettsville, OH: #1 of 2 inventorsTop 50%
🗺 Ohio: #286 of 4,576 inventorsTop 7%
Overall (1997): #17,121 of 185,788Top 10%
3
Patents 1997

Issued Patents 1997

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5657923 Brazing of catalyzed converter bodies 1997-08-19
5651906 Electrically heatable converter body having plural thin metal core elements attached only at outer ends William A. Whittenberger 1997-07-29
5632961 Reinforcing web for a multicellular converter 1997-05-27