HJ

Herbert A. Johnson

The Dow Chemical: 2 patents #1,449 of 4,115Top 40%
UF US Air Force: 1 patents #6,190 of 16,312Top 40%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,665,664 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5049744 Radioactive particle densitometer apparatus employing modulation circuitry 1991-09-17
4842621 Recovery process Lanny A. Robbins 1989-06-27
4244698 Method for drying magnesium sulfate Robert J. King 1981-01-13