Christopher J. Engler

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Portland, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Beverage quality control apparatus and method
- Patent number 6,202,540
- Issue date Mar 20, 2001
- Boyd Coffee Company
- Michael W. Johnson
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Service cart
- Patent number D426691
- Issue date Jun 13, 2000
- Boyd Coffee Company
- Michael W. Johnson
- D34 - Material or article handling equipment
Information Patent Grant
Beverage quality control apparatus and method
- Patent number 6,062,126
- Issue date May 16, 2000
- Boyd Coffee Company
- Michael W. Johnson
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Milk frothing and heating system
- Patent number 5,498,757
- Issue date Mar 12, 1996
- Boyd Coffee Company
- Michael W. Johnson
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Beverage stand with quantity indicator
- Patent number 5,156,297
- Issue date Oct 20, 1992
- Boyd Coffee Company
- Christopher J. Engler
- B67 - OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS LIQUID...
Information Patent Grant
Automatic flow control system and flood protector
- Patent number 5,086,806
- Issue date Feb 11, 1992
- Boyd Coffee Company
- Christopher J. Engler
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...