Richard L Keller

Inventor

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Details

Work History

Patent OwnerApplications FiledYear
BURGER KING CORPORATION
1
1991
PILLSBURY COMPANY, THE
1
1977
FEDERAL-MOGUL IGNITION COMPANY
2
4
4
5
2
2009
2012
2013
2014
2015

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 - Jan 05, 16

Technology Profile

Technology Matters
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
9,231,3792016Spark plug having firing pad0
9,130,3562015Spark plug having a thin noble metal firing pad0
2015/0236,4822015SPARK PLUG HAVING FIRING PAD0
9,083,1562015Electrode core material for spark plugs0
9,041,2742015Spark plug having firing pad0

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