KW

Keith Wojciechowski

DM Derrick Manufacturing: 2 patents #1 of 2Top 50%
📍 Lakeview, NY: #1 of 1 inventorsTop 100%
🗺 New York: #838 of 7,187 inventorsTop 15%
Overall (1997): #33,198 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5673797 Screen assembly for vibratory screening machine and method of fabrication thereof John J. Bakula 1997-10-07
5636749 Undulating screen for vibratory screening machine 1997-06-10