TB

Terrence K. Brog

CP Champion Spark Plug: 1 patents #18 of 71Top 30%
Overall (All Time): #2,299,453 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5183610 Alumina-zirconia ceramic William R. Manning 1993-02-02
5147833 Alumina-zirconia ceramic William R. Manning 1992-09-15