DF

David E. Frappier

📍 Mayfield Heights, OH: #4 of 8 inventorsTop 50%
🗺 Ohio: #490 of 2,550 inventorsTop 20%
Overall (1982): #70,782 of 81,411Top 90%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4313970 Method of masking a workpiece for painting Wallace R. Jones, John F. Haas, Paul A. Krieger 1982-02-02