Rederick W. Zeyfang

PI Protective Industries: 1 patents #3 of 7Top 45%

📍 Erie, PA: #632 of 1,097 inventorsTop 60%

🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #3,207,633 of 4,157,543Top 80%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D659808	Flange protector	—	2012-05-15