Joan Roberts

📍 Modesto, CA: #248 of 548 inventorsTop 50%

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

Overall (All Time): #4,004,052 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4619649	Disposable toddler training panty	—	1986-10-28