Revision history of "File:Patent-GB-190918450.pdf"
Diff selection: Mark the radio boxes of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.
Fatti riguardanti Patent-GB-190918450.pdf
Application date | agosto 10, 1909 + |
Application number | 190918450 + |
Assigned to | Francis Charles Jarvis, Thomas Howard Garner + |
Invented by | Francis Charles Jarvis + e Thomas Howard Garner + |
Patent date | novembre 11, 1909 + |
Patent description | Penna a stilo + |
Patent number | 190918450 + |
Patent title | Improvements in Stylographic Pens + |
Patented by | Conway Stewart + |
Patented in | GB + |
Priority date | agosto 10, 1909 + |
Same invention of | ![]() |
Used for feature | Penna a stilo + |