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This unique t-shirt features Pop Up Sprinkler schematics from a genuine vintage U.S. Patent filed in 1926! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Impulse Sprinkler schematics from a genuine vintage U.S. Patent filed in 1963! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Radio Telescope schematics from a genuine vintage U.S. Patent filed in 1968! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Video Card schematics from a genuine vintage U.S. Patent filed in 2001! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Landlords Game 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...

This unique t-shirt features Dynamic Speaker schematics from a genuine vintage U.S. Patent filed in 1965! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Water Purifier schematics from a genuine vintage U.S. Patent filed in 1894! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Jet Propelled Engine schematics from a genuine vintage U.S. Patent filed in 1965! These shirts look awesome, fit well, are great conversation starters and an excellent...

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

This unique t-shirt features Racquetball Court schematics from a genuine vintage U.S. Patent filed in 1978! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Offshore Drilling Rig schematics from a genuine vintage U.S. Patent filed in 2000! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Gymnastics Parallel Bar schematics from a genuine vintage U.S. Patent filed in 1877! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Meat Slicer schematics from a genuine vintage U.S. Patent filed in 1950! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Firemans Axe schematics from a genuine vintage U.S. Patent filed in 1940! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

This unique t-shirt features Electra 10E Airplane 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 Nikola Tesla Fluid Propulsion schematics from a genuine vintage U.S. Patent filed in 1913! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Oboe English Horn schematics from a genuine vintage U.S. Patent filed in 1888! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Ski Lift schematics from a genuine vintage U.S. Patent filed in 1981! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Mechanical Keyboard Buckling Spring schematics from a genuine vintage U.S. Patent filed in 1978! These shirts look awesome, fit well, are great conversation starters...

This unique t-shirt features Binoculars schematics from a genuine vintage U.S. Patent filed in 1982! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...