Kehan Han

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Montreal, CA

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Patents Grantslast 30 patents

Information Patent Grant
Animal trap
- Patent number 7,596,902
- Issue date Oct 6, 2009
- Kehan Han
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Weight change indicating apparatus
- Patent number 7,337,580
- Issue date Mar 4, 2008
- Kehan Han
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Drawing compass
- Patent number 6,907,669
- Issue date Jun 21, 2005
- Kedu Han
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES
Information Patent Grant
Assessment of invasive potential of tumor cells
- Patent number 6,706,520
- Issue date Mar 16, 2004
- Kehan Han
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...

Patents Applicationslast 30 patents

Information Patent Application
Animal Trap
- Publication number 20080178517
- Publication date Jul 31, 2008
- Kehan Han
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
WEIGHT CHANGE INDICATING APPARATUS
- Publication number 20060107591
- Publication date May 25, 2006
- Kehan Han
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Assessment of invasive potential of tumor cells
- Publication number 20030044970
- Publication date Mar 6, 2003
- Kehan Han
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...