Ruby J. Johnston

📍 Detroit, MI: #685 of 1,512 inventorsTop 50%

🗺 Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,762,119 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5381740	Portable snack table	—	1995-01-17