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Ernest R. Bontrager
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Sarasota, FL, US
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last 30 patents
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Patent Grant
Tailgate apparatus for a dumpster-type dump truck
Patent number
6,648,420
Issue date
Nov 18, 2003
Ernest Bontrager
B60 - VEHICLES IN GENERAL
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Patent Grant
Tailgate apparatus
Patent number
6,015,191
Issue date
Jan 18, 2000
Ernest R. Bontrager
B60 - VEHICLES IN GENERAL