Ronald T. McDonald

📍 Marlboro, MA: #70 of 184 inventorsTop 40%

🗺 Massachusetts: #42,150 of 88,656 inventorsTop 50%

Overall (All Time): #2,356,125 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4425945	Thread guard	—	1984-01-17
4201431	Universal adaptable three-prong electrical plug	—	1980-05-06