Roger A. Ahrens

SH Sandy Hill: 1 patents #3 of 4Top 75%

📍 Hudson Falls, NY: #9 of 22 inventorsTop 45%

🗺 New York: #67,335 of 115,490 inventorsTop 60%

Overall (All Time): #4,023,143 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4547266	Apparatus for providing selectively differentiated vacuum across a papermaking machine width	Martin Keller	1985-10-15