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This unique t-shirt features Audio Jack schematics from a genuine vintage U.S. Patent filed in 1952! 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 Library Shelf schematics from a genuine vintage U.S. Patent filed in 1913! These shirts look awesome, fit well, are great conversation starters and an excellent gift for teachers & education professionals! Product...

This unique t-shirt features Telephone Transmitter schematics from a genuine vintage U.S. Patent filed in 1920! These shirts look awesome, fit well, are great conversation starters and an excellent gift for it professionals, engineers & support...

This unique t-shirt features Broadband Antenna schematics from a genuine vintage U.S. Patent filed in 1945! These shirts look awesome, fit well, are great conversation starters and an excellent gift for it professionals, engineers & support...

This unique t-shirt features Dress Sword schematics from a genuine vintage U.S. Patent filed in 1871! These shirts look awesome, fit well, are great conversation starters and an excellent gift for bladesmiths & vintage blade enthusiasts! Product...

This unique t-shirt features Drink Mixing schematics from a genuine vintage U.S. Patent filed in 1956! These shirts look awesome, fit well, are great conversation starters and an excellent gift for wine connoisseurs, bar owners & beer...

This unique t-shirt features Dustpan schematics from a genuine vintage U.S. Patent filed in 1899! These shirts look awesome, fit well, are great conversation starters and an excellent gift for homemakers & housekeeping professionals! Product...

This unique t-shirt features Watch Repeating Mechanism schematics from a genuine vintage U.S. Patent filed in 1890! These shirts look awesome, fit well, are great conversation starters and an excellent gift for sailors, navy veterans and maritime...

This unique t-shirt features Fireworks schematics from a genuine vintage U.S. Patent filed in 1933! These shirts look awesome, fit well, are great conversation starters and an excellent gift for holiday lovers! Product Type: T-Shirt Design:...

This unique t-shirt features Military Flashlight 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 retired soldiers, military officers &...

This unique t-shirt features Shower Faucet Valves schematics from a genuine vintage U.S. Patent filed in 1925! 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 Water Treatment 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 power plant workers, engineers, journeymen &...