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Robert R Rapin, Brian C Baker, James C Fetterly, Thomas D Vertin: Actuation mechanism for a two piece retractable hard-top roof for an automobile. General Motors Corporation, Laura C Hargitt, February 19, 2002: US06347828 (17 worldwide citation)

An actuation mechanism for a two piece retractable hard-top roof that interfaces with an automobile body assembly, the retractable hard-top roof having a forward roof component and a rearward roof component which are selectively conjoinable, wherein the actuation mechanism and its associated framewo ...


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Thomas D Vertin: Checking gage model and method of making the same. Robert G Mentag, April 1, 1986: US04578875 (7 worldwide citation)

A checking gage model for quality control use in a production plant, as for example, an automobile plant, for checking mating parts of a car body. The checking gage model includes a frame made from a tubular lightweight material on which is mounted structural filler material that is pre-formed rough ...


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