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Stevensville, MI, United States of America

Warren Richard Hafstrom

USPTO Granted Patents = 4

Average Co-Inventor Count = 1.5

ph-index = 2

Forward Citations = 21(Granted Patents)

Location History:

Stevensville, MI (US) (1977 - 1984)
Lincoln Township, Berrien County, MI (US) (1981 - 1987)

Company Filing History:

Whirlpool Corporation

Years Active: 1977-1987

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4 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 4709951 - Open lid latching mechanism for automatic washer (1987-12-01),

2. 4452054 - Agitator thruster for an automatic washer (1984-06-05),

3. 4291238 - Power switch module (1981-09-22),

4. 4022147 - Flywheel impelled cycle signal for appliance (1977-05-10),

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