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This unique t-shirt features Swimming Goggles schematics from a genuine vintage U.S. Patent filed in 1944! These shirts look awesome, fit well, are great conversation starters and an excellent gift for scuba divers & snorkeling...

This unique t-shirt features Fire Hydrant 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 firefighters, emergency medical technicians & first...

This unique t-shirt features Parachute schematics from a genuine vintage U.S. Patent filed in 1925! These shirts look awesome, fit well, are great conversation starters and an excellent gift for sky divers, instructors & pilots! Product Type:...

This unique t-shirt features WW1 Fighter Plane Parachute schematics from a genuine vintage U.S. Patent filed in 1925! These shirts look awesome, fit well, are great conversation starters and an excellent gift for sky divers, instructors &...

This unique t-shirt features Wright Bros Airplane Top View schematics from a genuine vintage U.S. Patent filed in 1906! These shirts look awesome, fit well, are great conversation starters and an excellent gift for pilots, flight instructors,...

This unique t-shirt features Pinball Game schematics from a genuine vintage U.S. Patent filed in 1936! These shirts look awesome, fit well, are great conversation starters and an excellent gift for pinball players & retro arcade lovers! Product...

This unique t-shirt features Wright Bros Airplane schematics from a genuine vintage U.S. Patent filed in 1906! These shirts look awesome, fit well, are great conversation starters and an excellent gift for pilots, flight instructors, engineers,...

This unique t-shirt features Crescent Wrench schematics from a genuine vintage U.S. Patent filed in 1915! These shirts look awesome, fit well, are great conversation starters and an excellent gift for constructor workers, contractors &...

This unique t-shirt features Train Dining Car schematics from a genuine vintage U.S. Patent filed in 1869! These shirts look awesome, fit well, are great conversation starters and an excellent gift for conductors, engineers & train...

This unique t-shirt features Hollerith Keyboard Punch 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 for computer technicians, engineers and tech...

This unique t-shirt features Motion Picture Camera 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 film workers, actors, directors, stage...

This unique t-shirt features Marching Tuba schematics from a genuine vintage U.S. Patent filed in 1930! These shirts look awesome, fit well, are great conversation starters and an excellent gift for musicians, band leaders and music...