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Charles M. Harris
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Palatine, IL, US
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last 30 patents
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Patent Grant
Top removal support for dust collector bags
Patent number
4,292,057
Issue date
Sep 29, 1981
Flex Kleen Corp.
Edward A. Ulvestad
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Patent Grant
Support for bottom removal dust collector bag assembly
Patent number
3,997,305
Issue date
Dec 14, 1976
Flex-Kleen Corporation
Edward A. Ulvestad
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL