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This unique t-shirt features Violin Bow schematics from a genuine vintage U.S. Patent filed in 1915! These shirts look awesome, fit well, are great conversation starters and an excellent gift for musicians, music teachers and classical music...

This unique t-shirt features Tractor Loader Backhoe schematics from a genuine vintage U.S. Patent filed in 1993! These shirts look awesome, fit well, are great conversation starters and an excellent gift for carpenters, handymen & construction...

This unique t-shirt features Weather Balloon schematics from a genuine vintage U.S. Patent filed in 1959! These shirts look awesome, fit well, are great conversation starters and an excellent gift for science teachers, engineering students,...

This unique t-shirt features Steel Guitar 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 musicians, guitar players, guitar teachers and band...

This unique t-shirt features Rattan Chair schematics from a genuine vintage U.S. Patent filed in 1876! These shirts look awesome, fit well, are great conversation starters and an excellent gift for interior decorators & retro furniture...

This unique t-shirt features Houdini Diving Suit schematics from a genuine vintage U.S. Patent filed in 1921! These shirts look awesome, fit well, are great conversation starters and an excellent gift for scuba divers & snorkeling...

This unique t-shirt features Acoustic Guitar Bridge schematics from a genuine vintage U.S. Patent filed in 1966! These shirts look awesome, fit well, are great conversation starters and an excellent gift for musicians, guitar players, guitar teachers...

This unique t-shirt features Rubber Ducky 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 new home owners, contractors & interior...

This unique t-shirt features Drum Pedal schematics from a genuine vintage U.S. Patent filed in 1914! These shirts look awesome, fit well, are great conversation starters and an excellent gift for drummers, music teachers and band leaders! Product...

This unique t-shirt features Internal Combustion Engine 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 for constructor workers, contractors &...

This unique t-shirt features Flash Bang Grenade 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 soldiers, military veterans & law enforcement...

This unique t-shirt features Hydroponic Planter 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 for gardeners & plant lovers! Product Type:...