OR

Ogden Bertrand Ramsay

📍 Ypsilanti, MI: #470 of 1,007 inventorsTop 50%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,229,558 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6273727 Method and apparatus for calculating drug dosages and unit conversions and for teaching how to calculate drug dosages and unit conversions Alan Heezen 2001-08-14
5915971 Tutorial device and method for determining drug dosages Alan Heezen 1999-06-29