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This unique t-shirt features Vertical Milling Machine 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 constructor workers, contractors &...

This unique t-shirt features MAC-10 Pistol schematics from a genuine vintage U.S. Patent filed in 1972! These shirts look awesome, fit well, are great conversation starters and an excellent gift for police officers, military veterans & gun...

This unique t-shirt features Anti Tank Mine schematics from a genuine vintage U.S. Patent filed in 1961! These shirts look awesome, fit well, are great conversation starters and an excellent gift for soldiers, military veterans & retired...

This unique t-shirt features Tubular Lock schematics from a genuine vintage U.S. Patent filed in 1989! These shirts look awesome, fit well, are great conversation starters and an excellent gift for locksmiths & lock picking enthusiasts! Product...

This unique t-shirt features Padlock schematics from a genuine vintage U.S. Patent filed in 1877! These shirts look awesome, fit well, are great conversation starters and an excellent gift for locksmiths & lock picking enthusiasts! Product Type:...

This unique t-shirt features Pool Skimmer schematics from a genuine vintage U.S. Patent filed in 1974! These shirts look awesome, fit well, are great conversation starters and an excellent gift for scuba divers & snorkeling enthusiasts! Product...

This unique t-shirt features Dark Room Safe Light schematics from a genuine vintage U.S. Patent filed in 1929! These shirts look awesome, fit well, are great conversation starters and an excellent gift for photographers & photography...

This unique t-shirt features Card Catalog schematics from a genuine vintage U.S. Patent filed in 1896! These shirts look awesome, fit well, are great conversation starters and an excellent gift for teachers & education professionals! Product...

This unique t-shirt features Garbage Truck schematics from a genuine vintage U.S. Patent filed in 1992! These shirts look awesome, fit well, are great conversation starters and an excellent gift for construction workers, contractors &...

This unique t-shirt features Nikola Tesla Magentic Motor schematics from a genuine vintage U.S. Patent filed in 1889! These shirts look awesome, fit well, are great conversation starters and an excellent gift for electricians, engineers & science...

This unique t-shirt features Tombstone 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 mortuary workers & funeral directors! Product Type:...

This unique t-shirt features Battery Electrode 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 electricians, engineers & science...