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This unique t-shirt features Sea Plane schematics from a genuine vintage U.S. Patent filed in 1932! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Pickleball 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...

This unique t-shirt features Car Hauler schematics from a genuine vintage U.S. Patent filed in 1931! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

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...

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...

This unique t-shirt features F430 Sports 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...

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...

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...

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...

This unique t-shirt features Air Conditioning schematics from a genuine vintage U.S. Patent filed in 1940! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Yoyo Whirligig schematics from a genuine vintage U.S. Patent filed in 1866! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Integrated Circuit schematics from a genuine vintage U.S. Patent filed in 1987! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Moped Scooter schematics from a genuine vintage U.S. Patent filed in 1949! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Milling Machine schematics from a genuine vintage U.S. Patent filed in 1892! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Clinometer schematics from a genuine vintage U.S. Patent filed in 1959! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Garbage Truck 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...

This unique t-shirt features Ore Separator 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...

This unique t-shirt features Air Conditioner 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...

This unique t-shirt features Water Treatment schematics from a genuine vintage U.S. Patent filed in 1963! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Weed Whacker schematics from a genuine vintage U.S. Patent filed in 1953! These shirts look awesome, fit well, are great conversation starters and an excellent gift...