GK

Gerald L. Knief

RI Ritchie Industries: 5 patents #1 of 11Top 10%
Overall (All Time): #1,064,180 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4646687 Animal waterer Jerry D. Peterson 1987-03-03
4633815 Waterer corner wear guard Jerry D. Peterson 1987-01-06
4248177 Animal waterer with recirculating water system Jerry D. Peterson 1981-02-03
D257691 Animal waterer Jerry D. Peterson 1980-12-23
4185589 Method and apparatus for heating a nipple valve livestock waterer Jerry D. Peterson 1980-01-29