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J. Michael Rodgers
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Harrison, AR, US
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last 30 patents
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Patent Grant
System for metering multiple parking spaces
Patent number
6,230,868
Issue date
May 15, 2001
Duncan Industries, Inc.
Gorm Tuxen
G07 - CHECKING-DEVICES
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Patent Grant
Electronic parking meter operating system
Patent number
5,805,083
Issue date
Sep 8, 1998
Duncan Industries Parking Control Systems
Joseph H. Sutton
G07 - CHECKING-DEVICES