Erwin A. Brown

📍 Russell, MA: #2 of 4 inventorsTop 50%

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

Overall (All Time): #2,977,211 of 4,157,543Top 75%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9833056	Shoulder sling retainer	—	2017-12-05