Harold W. Schaefer

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Bloomington, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Pressure spray carpet cleaner
- Patent number D261515
- Issue date Oct 27, 1981
- National Union Electric Corporation
- Harold W. Schaefer
- D32 - Washing, cleaning, or drying machine
Information Patent Grant
Casing for a vacuum cleaner
- Patent number D253891
- Issue date Jan 8, 1980
- National Union Electric Corporation
- Harold W. Schaefer
- D15 - Machines not elsewhere specified