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David B. MacPherson

TEThe Eastern: 1 patents #60 of 119Top 55%

Brunswick, ME: #21 of 67 inventorsTop 35%

Maine: #1,571 of 4,281 inventorsTop 40%

Overall (All Time): #2,353,172 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
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