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This unique t-shirt features Yoyo schematics from a genuine vintage U.S. Patent filed in 1933! These shirts look awesome, fit well, are great conversation starters and an excellent gift for new parents & toy collectors! Product Type:...

This unique t-shirt features Snow Shoe schematics from a genuine vintage U.S. Patent filed in 1967! These shirts look awesome, fit well, are great conversation starters and an excellent gift for skiers, snowboarders, skiing instructions & winter...

This unique t-shirt features Pilates Chair schematics from a genuine vintage U.S. Patent filed in 1934! These shirts look awesome, fit well, are great conversation starters and an excellent gift for athletes, training professionals, gym owners &...

This unique t-shirt features Nuclear Fusion schematics from a genuine vintage U.S. Patent filed in 1968! These shirts look awesome, fit well, are great conversation starters and an excellent gift for power plant workers, engineers, journeymen &...

This unique t-shirt features F430 Car schematics from a genuine vintage U.S. Patent filed in 2006! These shirts look awesome, fit well, are great conversation starters and an excellent gift for car lovers & automotive enthusiasts! Product Type:...

This unique t-shirt features Pickleball Paddle schematics from a genuine vintage U.S. Patent filed in 2017! These shirts look awesome, fit well, are great conversation starters and an excellent gift for tennis players, coaches & gym...

This unique t-shirt features Tree Climbing Boot schematics from a genuine vintage U.S. Patent filed in 1993! These shirts look awesome, fit well, are great conversation starters and an excellent gift for gardeners, yard lovers & landscaping...

This unique t-shirt features Electric Keyboard schematics from a genuine vintage U.S. Patent filed in 1992! These shirts look awesome, fit well, are great conversation starters and an excellent gift for piano players, piano teachers and classical...

This unique t-shirt features Vice Grip schematics from a genuine vintage U.S. Patent filed in 1924! These shirts look awesome, fit well, are great conversation starters and an excellent gift for carpenters, handymen & construction...

This unique t-shirt features Semi Cab schematics from a genuine vintage U.S. Patent filed in 1990! These shirts look awesome, fit well, are great conversation starters and an excellent gift for logistics professionals, truck drivers, shipping managers...

This unique t-shirt features Air Duct schematics from a genuine vintage U.S. Patent filed in 1940! These shirts look awesome, fit well, are great conversation starters and an excellent gift for hvac technicians, engineers & contractors! Product...

This unique t-shirt features Pole Trimmer schematics from a genuine vintage U.S. Patent filed in 1971! These shirts look awesome, fit well, are great conversation starters and an excellent gift for gardeners, yard lovers & landscaping...