DM

David W. Marshall

KH Kennecott Holdings: 2 patents #21 of 138Top 20%
KC Kennecott Copper: 1 patents #11 of 25Top 45%
📍 North Reading, MA: #53 of 228 inventorsTop 25%
🗺 Massachusetts: #23,459 of 88,656 inventorsTop 30%
Overall (All Time): #1,051,062 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5939143 Coating of surfaces of articles Philip Findley, Keith Mortimer 1999-08-17
5750240 Coating of surfaces of articles Philip Findley, Keith Mortimer 1998-05-12
4428989 Anti-fouling and anti-sliming gel coat 1984-01-31
4323599 Method for achieving particle-to-particle contact in an antifouling coating 1982-04-06
4197233 Anti-fouling and anti-sliming coating material 1980-04-08