Helen E. Douglas

📍 Hesperia, CA: #44 of 113 inventorsTop 40%

🗺 California: #247,236 of 386,348 inventorsTop 65%

Overall (All Time): #3,976,501 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4673114	Garment drying hanger	—	1987-06-16