Alfred R. Ledger

📍 North Grafton, MA: #53 of 79 inventorsTop 70%

🗺 Massachusetts: #56,664 of 88,656 inventorsTop 65%

Overall (All Time): #3,794,310 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5299783	Rod cooling apparatus	Charles H. Gage	1994-04-05