Title: Hydraulic steam engine
Patent number: X5,490
Date granted: 6/11/1829
Notes: "Name and Date Patents" lists May 11, 1829 as the date. X patent numbers are from a group of patents that were destroyed in a fire at the U.S. Patent office in 1836. No image of this X patent is available.
View this patent at the USPTO.
Inventor: J. Catlin