first edition
1945 · Toledo, Ohio
by W. I. Smith / William I. Smith
Toledo, Ohio: Hettrick Manufacturing Company, 1945. First Edition. Near Fine. First Edition. Two sheets of 15 x 10 inch bristol board. Black ink on white paper. Various marginal notations in pencil and pen in several colors. Application serial number was 110668, received by US Patent Office (USPTO) July 14, 1943. Patent was issued Feb 27, 1945, number 140,435. Embossed stamp of "Reynolds Bristol Board" made in England on sheet 1. Embossed stamp of "Patent Office Dietzgen Bristol Board" on sheet 2. Both sheets with small punched hole in upper margin. We include a printout of the patent text for reference. Hand-drawn patent drawings, while critical to (truncated)