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This unique t-shirt features Rocket Engine Cooling schematics from a genuine vintage U.S. Patent filed in 1973! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Rocket 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...

This unique t-shirt features Hockey Stick 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...

This unique t-shirt features Revolver Handgun schematics from a genuine vintage U.S. Patent filed in 1881! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Claw Hammer schematics from a genuine vintage U.S. Patent filed in 1868! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Edison Light Bulb schematics from a genuine vintage U.S. Patent filed in 1890! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Model 1911 Pistol schematics from a genuine vintage U.S. Patent filed in 1911! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Meat Grinder schematics from a genuine vintage U.S. Patent filed in 1937! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Nikola Tesla Electromagnetic Motor schematics from a genuine vintage U.S. Patent filed in 1888! These shirts look awesome, fit well, are great conversation starters...

This unique t-shirt features Beer Tap schematics from a genuine vintage U.S. Patent filed in 1951! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Double Bass Violin schematics from a genuine vintage U.S. Patent filed in 1934! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Bicycle 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...

This unique t-shirt features Henry F. Car Engine schematics from a genuine vintage U.S. Patent filed in 1935! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Baseball Glove 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...

This unique wall art features Toilet Paper Fixture schematics from a genuine vintage U.S. Patent filed in 1915! Patent prints are a tasteful and inspiring way to show off your interests and...

This unique t-shirt features Skee Ball 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...

This unique t-shirt features DS Game System schematics from a genuine vintage U.S. Patent filed in 2007! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Willys Army Truck schematics from a genuine vintage U.S. Patent filed in 1942! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features PS1 Controller schematics from a genuine vintage U.S. Patent filed in 1996! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Game Boy 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...