William R. Manniing

CP Champion Spark Plug: 1 patents #18 of 71Top 30%

📍 New Baltimore, MI: #150 of 299 inventorsTop 55%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,953,743 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4751207	Alumina-zirconia ceramic	—	1988-06-14