N. Keith Brown

📍 Greenville, SC: #13 of 46 inventorsTop 30%

🗺 South Carolina: #110 of 527 inventorsTop 25%

Overall (1989): #74,238 of 140,708Top 55%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4822086	Security guard device for doors	—	1989-04-18