DM

Don Martus

📍 Mount Clemens, MI: #168 of 421 inventorsTop 40%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,324,302 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4932543 Chambered bottle cap — 1990-06-12
4502604 Chambered bottle cap — 1985-03-05