Otto J. Kallmes

📍 Marblehead, MA: #124 of 401 inventorsTop 35%

🗺 Massachusetts: #27,608 of 88,656 inventorsTop 35%

Overall (All Time): #1,303,164 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
4838996	Hydrofoil blade for producing turbulence	—	1989-06-13
4687549	Hydrofoil blade	—	1987-08-18
4657635	Method and apparatus for the deflocculation of stock	—	1987-04-14
4561938	Forming roll apparatus	—	1985-12-31