David R. Geoffroy

RS Riley Stoker: 2 patents #2 of 14Top 15%

📍 Holden, MA: #104 of 222 inventorsTop 50%

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

Overall (All Time): #2,311,312 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5143486	Flow promoter for fluidized solids	—	1992-09-01
5141047	Fluidized bed heat exchanger	—	1992-08-25