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This unique t-shirt features Magazine Rack schematics from a genuine vintage U.S. Patent filed in 1935! These shirts look awesome, fit well, are great conversation starters and an excellent gift for teachers & education professionals! Product...

This unique t-shirt features Bank Vault Door schematics from a genuine vintage U.S. Patent filed in 1888! These shirts look awesome, fit well, are great conversation starters and an excellent gift for locksmiths & lock picking...

This unique t-shirt features Tape Gun 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 logistics professionals, truck drivers, shipping managers...

This unique t-shirt features Deadbolt Door Lock 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 for locksmiths & lock picking...

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 new home owners! Product Type: T-Shirt Design:...

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 engineers & mechanics! Product Type:...

This unique t-shirt features Boxing Speed Bag schematics from a genuine vintage U.S. Patent filed in 1904! These shirts look awesome, fit well, are great conversation starters and an excellent gift for boxers, coaches & martial artists! Product...

This unique t-shirt features Boxing Robots 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 new parents & toy collectors! Product Type:...

This unique t-shirt features Combination Lock 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 locksmiths & lock picking...

This unique t-shirt features Rifle Silencer schematics from a genuine vintage U.S. Patent filed in 1970! These shirts look awesome, fit well, are great conversation starters and an excellent gift for hunters, military veterans & law enforcement...

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

This unique t-shirt features Nuclear Power Plant Cooling Tower schematics from a genuine vintage U.S. Patent filed in 1977! These shirts look awesome, fit well, are great conversation starters and an excellent gift for power plant workers, engineers,...