Ranch’s 8640 patent claim was as follows: “What I claim as my invention, and desire to secure by Letters Patent, is-The collar G, encompassing and sliding freely on the pencil-tube E, said collar having a slot or recess g cut through it, as shown and described, through which the spure of the pencil-slide E may pass, by which arrangement either the pencil-slide E or pen-holder H may be operated without interfering with each other, the collar being prevented from turning on the pencil-tube toy means of the spur h, working in the slot k in the sliding tube D, and also by which arrangement I combine the extension-case with the slide-case for both pen and pencil, substantially as set forth.”
Albert G. Bagley worked with Mr. Rauch to bring his invention to reality. The Bagley factory created an early production model from Mr. Rauch’s working prototypes and the factory was soon producing the Rauch 8640 pen/pencil holder.
The superimposed images are arguably the earliest example of Rauch’s 8640 patent. The example is identical to the patent drawing, and is marked “Rauch’s Patent” and “Jany 6 1852”. The end cap depicted in Fig. 6 of the drawing is realized in this example as well.