Douglas P. Vanne

📍 Beverly, MA: #308 of 490 inventorsTop 65%

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%

Overall (All Time): #3,295,767 of 4,157,543Top 80%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D619637	Buoyant eyeglass string holder	—	2010-07-13