DM

David James Martens

📍 Burns Lake, CA: #5 of 40 inventorsTop 15%
Overall (2011): #321,576 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7918743 Adjustable putting green for golf practice — 2011-04-05