PB

Paul Douglas Brothers

EA E.I. Du Pont De Nemours And: 2 patents #66 of 589Top 15%
CC Competition Cams: 1 patents #1 of 1Top 100%
📍 Chadds Ford, PA: #7 of 20 inventorsTop 35%
🗺 Pennsylvania: #329 of 5,512 inventorsTop 6%
Overall (2002): #23,199 of 266,432Top 9%
3
Patents 2002

Issued Patents 2002

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6423798 Copolymers of maleic anhydride or acid and fluorinated oleffins Robert Clayton Wheland, Colin Anolick, Charles W. Stewart 2002-07-23
6395937 Synthesis of diacyl peroxide in carbon dioxide Brian Kipp, Charles Joseph Noelke, Ronald Earl Uschold, Robert Clayton Wheland 2002-05-28
6357407 Anti-rotation valve lifter guide apparatus 2002-03-19