RA

Roger A. Ackerman

UN Unknown: 1 patents #112 of 1,079Top 15%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #35,833 of 81,411Top 45%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4355595 Central milking system with reduced stray current problems Kurt A. Ackerman 1982-10-26