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This unique t-shirt features Surveyors Transit schematics from a genuine vintage U.S. Patent filed in 1891! These shirts look awesome, fit well, are great conversation starters and an excellent gift for surveyors, government employees, contractors &...

This unique t-shirt features Snare Drum 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 drummers, music teachers and band leaders! Product...

This unique t-shirt features Sailboat schematics from a genuine vintage U.S. Patent filed in 1927! These shirts look awesome, fit well, are great conversation starters and an excellent gift for outdoorsmen, sailors, navy veterans and water...

This unique t-shirt features Windmill 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 for power plant workers, engineers, journeymen &...

This unique t-shirt features Phillips Head Screwdriver 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 constructor workers, contractors &...

This unique t-shirt features Hand Grenade schematics from a genuine vintage U.S. Patent filed in 1918! 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 Thomas Edison Phonograph schematics from a genuine vintage U.S. Patent filed in 1891! These shirts look awesome, fit well, are great conversation starters and an excellent gift for dj's, sound engineers, music producers,...

This unique t-shirt features Henry F. Transmission schematics from a genuine vintage U.S. Patent filed in 1930! These shirts look awesome, fit well, are great conversation starters and an excellent gift for auto mechanics, repair shop owners &...

This unique t-shirt features Mercury Space Capsule 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 science teachers, engineering students,...

This unique t-shirt features Camera schematics from a genuine vintage U.S. Patent filed in 1962! These shirts look awesome, fit well, are great conversation starters and an excellent gift for photographers & photography students! Product Type:...

This unique t-shirt features Enterprise Space Shuttle schematics from a genuine vintage U.S. Patent filed in 1975! These shirts look awesome, fit well, are great conversation starters and an excellent gift for science teachers, engineering students,...

This unique t-shirt features Space Capsule 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 science teachers, engineering students, aeronautical...