Richard J. MacDuffee

📍 Tottenham, CA: #22 of 48 inventorsTop 50%

Overall (All Time): #3,967,158 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4638967	Collapsible support frame with receptacle	—	1987-01-27