Title: Steam engine
Patent number: X3,317
Date granted: 3/23/1821
Notes: "Name and Date Patents" has March 28, 1821 as the date.
View this patent at the USPTO.
Title: Steam engine
Patent number: X3,317
Date granted: 3/23/1821
Notes: "Name and Date Patents" has March 28, 1821 as the date.
View this patent at the USPTO.