JG

John C. Gaynor

UG United States Gypsum: 1 patents #2 of 8Top 25%
📍 Des Plaines, IL: #9 of 50 inventorsTop 20%
🗺 Illinois: #802 of 3,813 inventorsTop 25%
Overall (1989): #95,371 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4801355 Tabular acicular gypsum and method of filling paper Norman E. Johnstone, Robert Erickson 1989-01-31