RF

Robert J. Ferb

RE Research-Cottrell: 2 patents #7 of 37Top 20%
Overall (All Time): #2,368,037 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4351804 Sulfur dioxide scrubber with hydroclone separator Edward L. Biedell 1982-09-28
4250152 Sulfur dioxide scrubber with hyroclone separator Edward L. Biedell 1981-02-10