LJ

Lyman W. Jeffreys

AI Amsted Industries Incorporated: 4 patents #30 of 219Top 15%
📍 Barrington, IL: #201 of 767 inventorsTop 30%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,302,958 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4825772 Pouring tank and track transfer assembly 1989-05-02
4679447 Method and apparatus for positioning and testing railroad wheels Christopher Z. Sieradzki 1987-07-14
4602904 Method of obtaining temperature of an object being heat treated 1986-07-29
4585048 Mold transfer assembly 1986-04-29