Richard B. Rajendren

Follow

Person

Bell Plaine, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Aerator with dual path discharge
- Patent number 5,851,443
- Issue date Dec 22, 1998
- Richard B. Rajendren
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Waste water aerator having rotating compression blades
- Patent number 4,844,843
- Issue date Jul 4, 1989
- Richard B. Rajendren
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL