Marsha A Johnson

📍 Waupaca, WI: #20 of 45 inventorsTop 45%

🗺 Wisconsin: #23,834 of 40,088 inventorsTop 60%

Overall (All Time): #3,620,174 of 4,157,543Top 90%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D427646	Educational toy for an infant	—	2000-07-04