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Donald E. Frank
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St. Petersburg, FL, US
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Patents Grants
last 30 patents
Information
Patent Grant
Telescopic security box system
Patent number
8,117,973
Issue date
Feb 21, 2012
Donald E. Frank
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Rear-end collision warning light system
Patent number
7,468,656
Issue date
Dec 23, 2008
Donald E. Frank
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Emergency steering wheel braking system
Patent number
6,609,768
Issue date
Aug 26, 2003
Donald E. Frank
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Emergency steering wheel braking system
Patent number
6,371,572
Issue date
Apr 16, 2002
Donald E. Frank
B60 - VEHICLES IN GENERAL