Valid until 24/07/24. Can’t be combined with other discounts or coupon codes. Not eligible for volume discount; only eligible for orders of five products or less. Only applies to product(s) mentioned in offer. Valid on www.spreadshirt.ca. Not valid in Spreadshirt's Partner Shops.
We love Patent Prints. The old and rare drawings and illustrations that are part of patent blueprints make for fantastic artwork on any product. Our goal is to display and promote vintage patents as a way of preserving history.