Leonardus J. Geerling

📍 Hillsboro, OR: #2 of 13 inventorsTop 20%

🗺 Oregon: #40 of 384 inventorsTop 15%

Overall (1982): #46,516 of 81,411Top 60%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4346268	Automatic audiological analyzer	—	1982-08-24