In 1898 Mr. Rollert was issued a patent for this invention from the United States Patent & Trademark Office (USPTO). There are 9 documents included with this patent. The drawing specification sheet of the patent has been reproduced from original USPTO documents and printed onto parchment paper. This print is sized and ready to install into an 8" x 10" frame. The additional sheets included are printed on 5.50" x 8.50" parchment paper. These accompanying documents describe the scope of this invention in formal terms. The following is an actual excerpt from the patent…

       " Be it known that I, ANTON J. ROLLERT, a citizen of the United States, residing in Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Barbers’ Chairs, of which the following is a specification. My invention relates to chairs commonly used by barbers, and has for its objects to provide certain improved hydraulic mechanism for raising and lowering the chair-seat; to provide improved means, for retaining the chair-seat in its upper position when raised by the hydraulic mechanism; to provide improved means for controlling the rotation of the chair; to provide means for automatically throwing the head-rest back out of the way when lowered and to provide certain other improvements which will be hereinafter pointed out"…