JJ

John B. Crabtree, Jr.

📍 Wilmette, IL: #146 of 495 inventorsTop 30%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,281,668 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D414457 Swath cargo ship hull Brian K. Barbier, Peter Wai Ming Tsang 1999-09-28
D404003 Swath cargo ship Brian K. Barbier, Peter Wai Ming Tsang 1999-01-12
5787828 Swath cargo ship Brian K. Barbier, Peter Wai Ming Tsang 1998-08-04
D324579 Wrist-attached flashlight 1992-03-10