DW

David K Washburn

32 32North: 4 patents #2 of 3Top 70%
📍 Portland, ME: #73 of 276 inventorsTop 30%
🗺 Maine: #968 of 4,281 inventorsTop 25%
Overall (All Time): #1,249,924 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D560890 Footwear Douglas E. Norton, Daniel J. Richard 2008-02-05
D559514 Footwear Douglas E. Norton, Daniel J. Richard 2008-01-15
D559515 Footwear Douglas E. Norton, Daniel J. Richard 2008-01-15
D559516 Footwear Douglas E. Norton, Daniel J. Richard 2008-01-15