BD

Brian Norbert Drifka

RY Rytec: 1 patents #1 of 5Top 20%
📍 Richfield, WI: #2 of 12 inventorsTop 20%
🗺 Wisconsin: #910 of 3,225 inventorsTop 30%
Overall (2002): #247,862 of 266,432Top 95%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6390171 Roll-up overhead door for sanitary applications Walenty Kalempa 2002-05-21