John W. Frangos

📍 Wenham, MA: #37 of 74 inventorsTop 50%

🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%

Overall (All Time): #2,258,598 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5730321	Glow-in-the-dark water emitters	Todd N. McAllister, Michael Latz	1998-03-24
5036951	Elevator-type storage system	—	1991-08-06