DM

David B. MacPherson

TE The Eastern: 1 patents #60 of 119Top 55%
Overall (All Time): #2,353,172 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4516281 Sewage treatment device Jay E. Paris, Robert W. Foley, Martin W. Greinier, David N. Pulsifer 1985-05-14
4409923 Marine anchor — 1983-10-18