Norman C. Dahl

📍 Lexington, MA: #1,345 of 2,299 inventorsTop 60%

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

Overall (All Time): #2,367,133 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4348141	Hollow externally threaded fasteners having greatly increased ductility	—	1982-09-07
4338054	Solid externally threaded fasteners having greatly increased ductility	—	1982-07-06