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This unique t-shirt features Bulldozer 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...

This unique t-shirt features Mass Spectrometry schematics from a genuine vintage U.S. Patent filed in 1945! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Jet Engine schematics from a genuine vintage U.S. Patent filed in 1946! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Railroad Crossing Signal schematics from a genuine vintage U.S. Patent filed in 1936! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Nikola Tesla Dynamo Electric Machine schematics from a genuine vintage U.S. Patent filed in 1887! These shirts look awesome, fit well, are great conversation starters...

This unique t-shirt features Nikola Tesla Magnetic Motor schematics from a genuine vintage U.S. Patent filed in 1891! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Nikola Tesla Electricity Transmitter schematics from a genuine vintage U.S. Patent filed in 1914! These shirts look awesome, fit well, are great conversation starters...

This unique t-shirt features Dymaxion Car Buckminster Fuller schematics from a genuine vintage U.S. Patent filed in 1937! These shirts look awesome, fit well, are great conversation starters and...

This unique t-shirt features Dymaxion House 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...

This unique t-shirt features Disc Golf Disc 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...

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

This unique t-shirt features Gun Powered Mouse Trap schematics from a genuine vintage U.S. Patent filed in 1882! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Bass Drum Pedal schematics from a genuine vintage U.S. Patent filed in 1951! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Architect Drafting Table schematics from a genuine vintage U.S. Patent filed in 1964! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Dopamine Molecule schematics from a genuine vintage U.S. Patent filed in 1980! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Telephone Pole schematics from a genuine vintage U.S. Patent filed in 1902! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Lounge Chair 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 Cement Mixer Truck schematics from a genuine vintage U.S. Patent filed in 1952! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Roller Coaster schematics from a genuine vintage U.S. Patent filed in 1898! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Mason Jar schematics from a genuine vintage U.S. Patent filed in 1873! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...