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This unique t-shirt features Unicycle 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 for...

This unique t-shirt features Cribbage Board schematics from a genuine vintage U.S. Patent filed in 1885! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Drill Press schematics from a genuine vintage U.S. Patent filed in 1920! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Bassoon 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 Pinball Tilt Mechanism schematics from a genuine vintage U.S. Patent filed in 1935! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Phoropter schematics from a genuine vintage U.S. Patent filed in 1994! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Stand Mixer 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 Model 1897 Shotgun schematics from a genuine vintage U.S. Patent filed in 1897! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Automatic Rifle schematics from a genuine vintage U.S. Patent filed in 1919! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Hi Hat Stand schematics from a genuine vintage U.S. Patent filed in 1969! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Farnsworth Cathode Ray Tube schematics from a genuine vintage U.S. Patent filed in 1956! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Scalpel 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...

This unique t-shirt features Backhoe Excavator schematics from a genuine vintage U.S. Patent filed in 1969! These shirts look awesome, fit well, are great conversation starters and an excellent...

MDMA Molecule Ecstasy chemistry t-shirt. Printed on Gildan athletic fit cotton t-shirts. These shirts look awesome, fit well, are great conversation starters and an excellent gift for chemistry...

DNA Molecules chemistry t-shirt. Printed on Gildan athletic fit cotton t-shirts. These shirts look awesome, fit well, are great conversation starters and an excellent gift for chemistry students,...

This unique t-shirt features MRI Machine schematics from a genuine vintage U.S. Patent filed in 1982! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Missile Silo 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 Grain Storage Bin schematics from a genuine vintage U.S. Patent filed in 1934! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Turbine Blades schematics from a genuine vintage U.S. Patent filed in 1913! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Door Knob schematics from a genuine vintage U.S. Patent filed in 1916! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...