US Patent 7845704 Transparent outer panel for a retractable hardtop

A retractable vehicle hardtop has a predominantly transparent top roof panel and a predominantly transparent combined back light/sail panel. The panels are attached to a top stack linkage that is used to retract and extend the hardtop. The top roof panel and combined back light/sail panel each feature a smooth, continuous two-part retractable hardtop that provides panoramic overhead views both when retracted and when extended. A frame is assembled to opaque peripheral portions of the top roof panel. Reinforcement bars are assembled to opaque portions of the combined back light/sail panel. A method of making the retractable hardtop.