CH

Chester S. Hopper

📍 Newtown, CT: #68 of 309 inventorsTop 25%
🗺 Connecticut: #6,411 of 34,797 inventorsTop 20%
Overall (All Time): #763,867 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5716055 Method of making packing material having expanded graphite dispersed throughout Mark R. Wilkinson, Leslie K. Muir, Michael Muir 1998-02-10
5687974 Packing material having expanded graphite dispersed throughout Mark R. Wilkinson, Leslie K. Muir, Michael Muir 1997-11-18
5370926 Packing material 1994-12-06
4559862 Packing material Edward M. Case 1985-12-24
4431698 Waterproof packing Edward M. Case 1984-02-14
4371180 Gasket material Edward M. Case 1983-02-01
4298207 Resilient gasket material Edward M. Case 1981-11-03