see sample answer below

It seems like this device never actually went into stores. When you google it, the only thing that pops up is the patent, this exact drawing that is in the textbook.

see sample answer below

To apply for a patent you must have a written document that has the specification (the description and claims and many many forms such as the application transmittal form, fee transmittal form, and application data sheet), drawings, an oath or declaration, and filing, search, and examination fees. You can apply for a patent online.