HD

Herbert R. Damerau

PE Peco: 2 patents #1 of 9Top 15%
Overall (All Time): #1,683,422 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4396506 Liquid clarifier and method 1983-08-02
4394272 Liquid clarifier and method 1983-07-19
4201675 Liquid filter with novel seal means 1980-05-06