Grenville K. Yuill

Follow

Person

Winnipeg, Manitoba, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Extracting radon gases from a domestic water supply
- Patent number 4,756,724
- Issue date Jul 12, 1988
- Grenville K. Yuill
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Gas-sealing insert for floor drains
- Patent number 4,744,109
- Issue date May 17, 1988
- Grenville K. Yuill
- E03 - WATER SUPPLY SEWERAGE