1898 Harp Guitar Patent Shirt

A guitar shirt nobody else has: the 1898 harp guitar design patent, with its hollow arm and heart, star and crescent sound holes. Chris Knutsen's 1898 design patent for a harp-guitar frame: an extra hollow arm for bass strings and playful sound holes, a true luthier's oddity. THE DESIGN - Harp Guitar, U.S. Patent No. D28,300, granted February 15, 1898 to Chris Knutsen - Restored vintage line art, with fine lines thickened so the drawing prints crisp on fabric - Title block with the invention name, patent number and year - White line art on dark shirts THE SHIRT - Soft, lightweight unisex jersey tee, printed to order (direct-to-garment front print) - Colors: Black, Navy, Dark Grey Heather - Sizes: S, M, L, XL, 2XL, 3XL (unisex fit; check the size chart below) SIZING [SIZE CHART - added automatically by Printify when the product is published] CARE [CARE INSTRUCTIONS - added automatically by Printify when the product is published] MADE TO ORDER Each shirt is printed just for you by our print partner and shipped from the US. Your production and delivery estimate is shown at checkout. Colors can look slightly different on screens. Because every shirt is made to order, we can't accept returns or exchanges for wrong size or color, but if your shirt arrives damaged or misprinted, message us and we'll make it right. MATCHING PRINTABLE AVAILABLE Want the same drawing on your wall? A matching printable is in our shop as an instant digital download in two colorways: "1898 Harp Guitar Patent Print, Vintage Blueprint Music Wall Art, Printable Luthier Gift". Source: United States Patent and Trademark Office, www.uspto.gov AI disclosure: the original patent drawing was cleaned up and laid out with the help of AI tools.