A patent print poster of an Electro Magnetic Dental Plugger invented by John G. F. Green. The patent was issued by the United States Patent Office on December 14, 1875. A plugger is a dental instrument for packing, condensing, and compacting filling material into a tooth cavity.
Patent prints allow you to have a piece of history in your home, office, man cave, geek den or anywhere you wish to add an interesting touch.
