Bruce L. Harding

📍 Holden, MA: #81 of 222 inventorsTop 40%

🗺 Massachusetts: #33,482 of 88,656 inventorsTop 40%

Overall (All Time): #1,678,835 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4632140	Top entry ball valve	—	1986-12-30
4548384	Top entry metal-seated ball valve	—	1985-10-22
4326754	Valve and actuator assembly for railroad car air brake system	—	1982-04-27