1843-06-15 Subject-Matter Index of Patents of Invention
Apparatus for sharpening or grinding the points of the cards used in carding and scribbling engines; - may also be employed for grinding other articles.
9788
15th June 1843
George Lister
Edwin Budding
Publication
Patent Document
Date
Source
Google Books/Subject-Matter Index of Patents of Invention/Vol 2/P703
Link