DC

David W. Caldwell

📍 Holland, MI: #37 of 114 inventorsTop 35%
🗺 Michigan: #1,023 of 4,492 inventorsTop 25%
Overall (1997): #164,443 of 185,788Top 90%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5594222 Touch sensor and control circuit therefor — 1997-01-14