Richard L Keller

Inventor

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Work History

Patent OwnerApplications FiledYear
BURGER KING CORPORATION
1
1991
PILLSBURY COMPANY, THE
1
1977
FEDERAL-MOGUL IGNITION COMPANY
2
4
3
3
2009
2012
2013
2014

Inventor Addresses

AddressDuration
6016 Chowen Ave. South, Edina, MN 55410Apr 15, 97 - Apr 15, 97
Minneapolis, MNFeb 12, 80 - Feb 12, 80
Plymouth, MNMar 02, 93 - Mar 02, 93
Tenney, MN 56582Nov 01, 83 - Nov 01, 83
Whitehouse, OH, USAug 12, 10 - Sep 18, 14

Technology Profile

Technology # of Patents
A45B: WALKING STICKS 1
A47J: KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES 2
F26B: DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM 1

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Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
2014/0265,8132014SPARK PLUG HAVING MULTI-LAYER SPARKING COMPONENT ATTACHED TO GROUND ELECTRODE0
2014/0232,2542014ELECTRODE CORE MATERIAL FOR SPARK PLUGS0
2014/0210,3342014SPARK PLUG HAVING FIRING PAD0
2014/0111,0782014SPARK PLUG HAVING FIRING PAD0
8,680,7582014Spark plug having a plastic upper insulator and method of construction0

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