On October 30, 1888, a patent for a ballpoint pen was granted to John Loud.
Patent Details
Publication number: US392046 A
Patent Title: op weym
Publication type: Grant
Publication date: 30 Oct 1888.
On October 30, 1888, a patent for a ballpoint pen was granted to John Loud.
Patent Details
Publication number: US392046 A
Patent Title: op weym
Publication type: Grant
Publication date: 30 Oct 1888.