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Keith M. Gawlik
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Loveland, CO, US
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last 30 patents
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Patent Grant
Programmable chemical application system
Patent number
4,993,634
Issue date
Feb 19, 1991
Hach Company
Clifford C. Hach
G05 - CONTROLLING REGULATING
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Patent Grant
Programmable fertilizer application system
Patent number
4,878,614
Issue date
Nov 7, 1989
Hach Company
Clifford C. Hach
G05 - CONTROLLING REGULATING