JW

Jack Willingham

PC Priefert Mfg. Co: 1 patents #9 of 12Top 75%
Overall (All Time): #2,306,201 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5078328 Poultry litter disintegrating machine 1992-01-07
4619412 Poultry litter disintegrating machine 1986-10-28