Catahoula Sign Co is proud to offer its select set of patent prints crafted from the finest birch. The Safety Razor Patent Print you see here was issued by the USPTO and makes for a great addition to any collection, office or man cave. These are the perfect gift, whether it's for an enthusiast or professional! Each print is finished in a semi-gloss sheen and comes with one sawtooth hanger for hanging. Our blueprint option is made from museum quality, 1/4" thick acrylic and comes with finishing nails and holes already cut for hanging. For custom hardware, sizes, colors and patent requests, please email email@example.com. Small: 10"x15" Large: 15"x22.5"