DM

David G. Motkowski

NC National Controls: 2 patents #1 of 3Top 35%
📍 North Aurora, IL: #2 of 10 inventorsTop 20%
🗺 Illinois: #421 of 4,656 inventorsTop 10%
Overall (1997): #42,848 of 185,788Top 25%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5662955 Calibration method and apparatus for coffee grinder and brewer William A. Joseph, Jr., Donald R. Buttle 1997-09-02
5660336 Control apparatus and method for coffee grinder and brewer William A. Joseph, Jr., Donald R. Buttle 1997-08-26