Frank P. Campbell

📍 Arvada, CO: #243 of 1,140 inventorsTop 25%

🗺 Colorado: #8,936 of 40,980 inventorsTop 25%

Overall (All Time): #1,064,011 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
D297284	Multiple purpose hanger	—	1988-08-23
4709838	Multiple purpose hanger	—	1987-12-01
D288645	Closet rod support	—	1987-03-10
4518089	Auxiliary closet system	—	1985-05-21
D277349	Adjustable auxiliary closet rod unit	—	1985-01-29