Robert L. Heldreth

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Mansfield, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Pump with self-cleaning lint filter
- Patent number 3,949,578
- Issue date Apr 13, 1976
- White-Westinghouse Corporation
- Robert L. Heldreth
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...