U.S. Pat. No. 163,918

A 3D model of U.S. Pat. No. 163,918. Cutting edge 1875 pot scraper technology from the original Thingiverse—the U.S. PTO.

"To all whom it may concern: Be it known that I, URIAS CRAMER, of New Philadelphia, in the county of Tuscarawas and State of Ohio, have invented certain new and useful Improvements in Pot-Scrapers; and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to which it pertains to make and use th