Patent Information Patent Title: Fireman s mask Publication number: US409428 A Publication type: Grant Publication date: Aug 20, 1889 Filing date: May 16, 1889 Inventors:…
Tag: cyborg
Patent Information Patent Title: Fireman s mask Publication number: US409428 A Publication type: Grant Publication date: Aug 20, 1889 Filing date: May 16, 1889 Inventors:…