Roy D. Johnson

📍 Redding, CA: #2 of 9 inventorsTop 25%

🗺 California: #1,105 of 6,198 inventorsTop 20%

Overall (1982): #34,498 of 81,411Top 45%

Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D262656	Home colonic board	—	1982-01-12