Peter M. MacDonald

KM Kellogg Brush Manufacturing: 1 patents #1 of 4Top 25%

📍 Sherborn, MA: #4 of 9 inventorsTop 45%

🗺 Massachusetts: #582 of 2,831 inventorsTop 25%

Overall (1989): #69,586 of 140,708Top 50%

Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4831677	Sponge mop	Keith Morrison, Robert B. Staubitz, William H. Valls	1989-05-23