Ronald B. Gammill

TU The Upjohn: 3 patents #14 of 85Top 20%

📍 Portage, MI: #4 of 27 inventorsTop 15%

🗺 Michigan: #60 of 1,972 inventorsTop 4%

Overall (1982): #3,425 of 81,411Top 5%

Patents 1982

Issued Patents 1982

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4313881	5-Hydroxyfurochromones	—	1982-02-02
4313882	7-Methyl-6-methylthio-, methylsulfinyl-, and methylsulfonyl-methyl-furochromones	—	1982-02-02
4313883	Halofurochromones	—	1982-02-02