MR

Michael C. Rizza

📍 Walnut Creek, CA: #3 of 43 inventorsTop 7%
🗺 California: #676 of 10,592 inventorsTop 7%
Overall (1989): #19,731 of 140,708Top 15%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4882890 Method and apparatus for sealing expandable roof joints with optical insulation 1989-11-28
4799345 Reversible compression seal 1989-01-24