Museum Quality Reproduction of the
US PATENT for the SLINGERLAND RADIO KING SNARE DRUM!!!

This was invented by Henry Slingerland and was patented in 1939 which showcased the Krupa Strainer. This is his patent reproduced on 8.5" by 11" Antiqued Parchment Paper, and includes the 2 Drawing Sheets and the Description sheet that describe the invention in full detail.