WL

William Y. Lam

AC Afton Chemical: 16 patents #8 of 222Top 4%
EA Ethyl Petroleum Additives: 10 patents #2 of 68Top 3%
ET Ethyl: 4 patents #133 of 494Top 30%
EC Edwin Cooper: 2 patents #3 of 12Top 25%
📍 Glen Allen, VA: #16 of 521 inventorsTop 4%
🗺 Virginia: #622 of 34,511 inventorsTop 2%
Overall (All Time): #112,997 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
4927552 Lubricating oil composition 1990-05-22
4885365 Dithiocarbanate lubricant compositions 1989-12-05
4876375 Norbornyl dithiocarbamates 1989-10-24
4836942 Lubricant composition 1989-06-06
4639324 Lubricating compositions 1987-01-27
4563302 Sulfurized olefin process Paul G. Griffin 1986-01-07
4487706 Metal deactivator as a lubricant additive 1984-12-11