Ralph Samuel Granchelli, Jr.

📍 Framingham, MA: #643 of 1,271 inventorsTop 55%

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

Overall (All Time): #2,083,003 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
8616270	Tennis ball conditioner	—	2013-12-31
4626757	Boat controller	—	1986-12-02