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Robert Borre
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Minnetonka, MN, US
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last 30 patents
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Patent Grant
Refrigerant recovery system case
Patent number
D449842
Issue date
Oct 30, 2001
Ritchie Engineering Company
Robert Borre
D15 - Machines not elsewhere specified
Patents Applications
last 30 patents
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Patent Application
Valve manifold assembly
Publication number
20070113575
Publication date
May 24, 2007
Ritchie Engineering Company, Inc.
Robert Borre
F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...