PATENTS
Our patents are listed below:
- United States Patent: US 7,279,051 B2
- United States Patent: US 7,716,774 B2
- United States Patent: US 8,025,070 B2
- The Registry of Patents Singapore: P-No. 140425 [WO 2007/027298]
- Canadian Intellectual Property Office: 2 620 692
ALL RIGHTS ARE OWNED BY HOLD CLEANING TECHNOLOGIES, LLC.