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This unique t-shirt features Spark Plug 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 Running Shoe schematics from a genuine vintage U.S. Patent filed in 1981! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Bomb Robot schematics from a genuine vintage U.S. Patent filed in 1984! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Land Mine schematics from a genuine vintage U.S. Patent filed in 1928! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Measuring Tape 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...

This unique t-shirt features C-130 Hercules schematics from a genuine vintage U.S. Patent filed in 1954! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Floppy Disk schematics from a genuine vintage U.S. Patent filed in 1997! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Superheated Nuclear Reactor 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 Weight Bar 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 M82 M107 Rifle schematics from a genuine vintage U.S. Patent filed in 1989! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

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...

This unique t-shirt features Carabiner schematics from a genuine vintage U.S. Patent filed in 1868! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

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

This unique t-shirt features Football schematics from a genuine vintage U.S. Patent filed in 1939! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

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

This unique t-shirt features Wine Glass schematics from a genuine vintage U.S. Patent filed in 1989! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This Shipping Pallet mug is perfect for sipping your favorite beverage at home or in the office. Patent prints are a tasteful and inspiring way to show off your interests and celebrate your passions...

This Nuclear Power Plant Cooling Tower mug is perfect for sipping your favorite beverage at home or in the office. Patent prints are a tasteful and inspiring way to show off your interests and...

This Bicycle mug is perfect for sipping your favorite beverage at home or in the office. Patent prints are a tasteful and inspiring way to show off your interests and celebrate your passions. This...

This THC Molecule mug is perfect for sipping your favorite beverage at home or in the office. It is a great way to show off your passions, and an excellent gift for chemistry students, biology...