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This unique t-shirt features MAC-10 Pistol schematics from a genuine vintage U.S. Patent filed in 1972! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Tombstone schematics from a genuine vintage U.S. Patent filed in 1918! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Watch Repeating Mechanism schematics from a genuine vintage U.S. Patent filed in 1890! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Fireworks 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...

This unique t-shirt features B-17 Bomber schematics from a genuine vintage U.S. Patent filed in 1935! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

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

This unique t-shirt features Mechanical Pocket Watch schematics from a genuine vintage U.S. Patent filed in 1910! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Bagpipe schematics from a genuine vintage U.S. Patent filed in 1941! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Underwater Welders Helmet schematics from a genuine vintage U.S. Patent filed in 1950! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Elevator Emergency Brake schematics from a genuine vintage U.S. Patent filed in 1906! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Pool Table schematics from a genuine vintage U.S. Patent filed in 1880! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features B-2 Stealth Bomber schematics from a genuine vintage U.S. Patent filed in 1991! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features MP5 Submachine Gun schematics from a genuine vintage U.S. Patent filed in 1985! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Nuclear Reactor schematics from a genuine vintage U.S. Patent filed in 1960! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features M249 SAW Machine Gun schematics from a genuine vintage U.S. Patent filed in 1978! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features 3D Printer 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...

This unique t-shirt features Potters Wheel 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...

This unique t-shirt features F-23 Fighter Jet 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 GPS Satellite 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 Metal Detector schematics from a genuine vintage U.S. Patent filed in 1972! These shirts look awesome, fit well, are great conversation starters and an excellent gift...