Charles W. Herdman

📍 Hollywood, FL: #130 of 725 inventorsTop 20%

🗺 Florida: #16,597 of 67,251 inventorsTop 25%

Overall (All Time): #1,676,937 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4715094	Shoe lace knot retainer	—	1987-12-29
D275336	Shoelace knot retainer or similar article	—	1984-09-04
4426756	Shoelace knot retainer	—	1984-01-24