Darwin S Crouser

Inventor

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Work History

Patent OwnerApplications FiledYear
HEALTHY GAIN INVESTMENTS LIMITED
1
1
2
1
5
3
1
1990
1993
1994
1995
1996
1997
1998
THE HOOVER COMPANY
1
1989
TECHTRONIC FLOOR CARE TECHNOLOGY LIMITED
1
1
1996
1999

Inventor Addresses

AddressDuration
Canton, OHAug 04, 92 - Feb 20, 01
North Canton, OHDec 26, 89 - Dec 26, 89

Technology Profile

Technology Matters
A46B: BRUSHES 1
A47L: DOMESTIC WASHING OR CLEANING 14
F01D: NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 1

Patents / Publication

Patents / Publication #Year of Publication / IssuedTitleCitations
61891742001Carpet extractor brush assembly5
61383222000Upright carpet and upholstery extractor15
61088602000Compact carpet and upholstery extractor10
60095932000Carpet extractor brush assembly24
59437321999Door valve for utility vacuum cleaners15

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