Mark B. Johnson-Williams

WC Western Publishing Co.: 1 patents #2 of 9Top 25%

📍 East Longmeadow, MA: #2 of 6 inventorsTop 35%

🗺 Massachusetts: #885 of 3,963 inventorsTop 25%

Overall (1994): #96,702 of 165,921Top 60%

Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5331212	Electrical device with alternative battery power supplies	Zeb Billings	1994-07-19