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This unique t-shirt features Water Purifier schematics from a genuine vintage U.S. Patent filed in 1894! These shirts look awesome, fit well, are great conversation starters and an excellent gift for chefs, restaurant owners, kitchen workers & food...

This unique t-shirt features Radio schematics from a genuine vintage U.S. Patent filed in 1949! These shirts look awesome, fit well, are great conversation starters and an excellent gift for dj's, sound engineers, music producers, and audio...

This unique t-shirt features Jukebox schematics from a genuine vintage U.S. Patent filed in 1940! These shirts look awesome, fit well, are great conversation starters and an excellent gift for dj's, sound engineers, music producers, and audio...

This unique t-shirt features Gold Sluice Box schematics from a genuine vintage U.S. Patent filed in 1881! These shirts look awesome, fit well, are great conversation starters and an excellent gift for miners, oil & gas workers and petroleum...

This unique t-shirt features Two Way Radio schematics from a genuine vintage U.S. Patent filed in 1988! These shirts look awesome, fit well, are great conversation starters and an excellent gift for it professionals, engineers & support...

This unique t-shirt features High Fidelity Speaker 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 for dj's, sound engineers, music producers, and...

This unique t-shirt features Jet Propelled Engine schematics from a genuine vintage U.S. Patent filed in 1965! These shirts look awesome, fit well, are great conversation starters and an excellent gift for pilots, flight instructors, engineers,...

This unique t-shirt features Starting Block schematics from a genuine vintage U.S. Patent filed in 1973! These shirts look awesome, fit well, are great conversation starters and an excellent gift for track athletes, coaches & gym...

This unique t-shirt features Metronome schematics from a genuine vintage U.S. Patent filed in 1903! These shirts look awesome, fit well, are great conversation starters and an excellent gift for musicians & music teachers! Product Type:...

This unique t-shirt features Mine Car schematics from a genuine vintage U.S. Patent filed in 1903! These shirts look awesome, fit well, are great conversation starters and an excellent gift for miners, oil & gas workers and petroleum...

This unique t-shirt features Car Stereo System 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 for dj's, sound engineers, music producers, and...

This unique t-shirt features Vinyl Record schematics from a genuine vintage U.S. Patent filed in 1950! These shirts look awesome, fit well, are great conversation starters and an excellent gift for dj's, sound engineers, music producers, and audio...