JP

James D. Petzrick

HU Hufcor: 1 patents #4 of 14Top 30%
Overall (All Time): #3,733,795 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5481834 Fire-rated panel Stanley Kowalczyk, Todd A. Williams, Charles E. Williams 1996-01-09