Chi Fang Tung

Person

Mahtomedi Village, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Expanded retroreflective sheet material
- Patent number 4,712,868
- Issue date Dec 15, 1987
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- G02 - OPTICS
Information Patent Grant
Encapsulated flattop retroreflective sheeting and method for produc...
- Patent number 4,678,695
- Issue date Jul 7, 1987
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- G02 - OPTICS
Information Patent Grant
Retroreflective sheeting
- Patent number 4,569,857
- Issue date Feb 11, 1986
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- G02 - OPTICS
Information Patent Grant
Retroreflective sheeting
- Patent number 4,511,210
- Issue date Apr 16, 1985
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- G02 - OPTICS
Information Patent Grant
Reflective animal collar and material for forming such a collar
- Patent number 4,377,988
- Issue date Mar 29, 1983
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Durable glass elements
- Patent number 4,367,919
- Issue date Jan 11, 1983
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Retroflective sheeting
- Patent number 4,367,920
- Issue date Jan 11, 1983
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- G02 - OPTICS
Information Patent Grant
Ultra-high-index glass microspheres and products made therefrom wit...
- Patent number 4,348,312
- Issue date Sep 7, 1982
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Extended-life pavement-marking sheet material
- Patent number 4,248,932
- Issue date Feb 3, 1981
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Ultra-high-index glass microspheres and products made therefrom
- Patent number 4,192,576
- Issue date Mar 11, 1980
- Minnesota Mining and Manufacturing Company
- Chi F. Tung
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Helmets and other articles reflectorized with retroreflective plate...
- Patent number 4,100,625
- Issue date Jul 18, 1978
- Minnesota Mining and Manufacturing Company
- Chi Fang Tung
- A42 - HEADWEAR
Information Patent Grant
Internally illuminated retroreflective signs
- Patent number 4,005,538
- Issue date Feb 1, 1977
- Minnesota Mining and Manufacturing Company
- Chi Fang Tung
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Fluid composition for forming retroreflective structures
- Patent number 4,004,930
- Issue date Jan 25, 1977
- Minnesota Mining and Manufacturing Company
- Chi Fang Tung
- G02 - OPTICS
Information Patent Grant
Transparent glass microspheres and products made therefrom
- Patent number 3,946,130
- Issue date Mar 23, 1976
- Minnesota Mining and Manufacturing Company
- Chi Fang Tung
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Retroreflective sheet material
- Patent number 3,934,065
- Issue date Jan 20, 1976
- Minnesota Mining and Manufacturing Company
- Chi Fang Tung
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Chi Fang Tung

Person

Patents Grantslast 30 patents

Expanded retroreflective sheet material

Encapsulated flattop retroreflective sheeting and method for produc...

Retroreflective sheeting

Retroreflective sheeting

Reflective animal collar and material for forming such a collar

Durable glass elements

Retroflective sheeting

Ultra-high-index glass microspheres and products made therefrom wit...

Extended-life pavement-marking sheet material

Ultra-high-index glass microspheres and products made therefrom

Helmets and other articles reflectorized with retroreflective plate...

Internally illuminated retroreflective signs

Fluid composition for forming retroreflective structures

Transparent glass microspheres and products made therefrom

Retroreflective sheet material