Paul J. Forsberg

KS Keystone Retaining Wall Systems: 5 patents #1 of 1Top 100%

📍 Naples, FL: #1 of 22 inventorsTop 5%

🗺 Florida: #23 of 2,217 inventorsTop 2%

Overall (1989): #2,384 of 140,708Top 2%

Patents 1989

Issued Patents 1989

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
D301064	Convex block	—	1989-05-09
4825619	Block wall	—	1989-05-02
D300253	Retaining wall block	—	1989-03-14
D300254	Retaining wall block	—	1989-03-14
4802320	Retaining wall block	—	1989-02-07