Patent Earth

This unique t-shirt features Houdini Diving Suit schematics from a genuine vintage U.S. Patent filed in 1921! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Swimming Goggles schematics from a genuine vintage U.S. Patent filed in 1944! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Scuba First Stage schematics from a genuine vintage U.S. Patent filed in 1974! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Scuba Diving Regulator schematics from a genuine vintage U.S. Patent filed in 1980! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Diving Mask schematics from a genuine vintage U.S. Patent filed in 1967! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Skim Tank schematics from a genuine vintage U.S. Patent filed in 1962! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

This unique t-shirt features Scuba Diving System schematics from a genuine vintage U.S. Patent filed in 1949! These shirts look awesome, fit well, are great conversation starters and an excellent...

This unique t-shirt features Pool Vacuum schematics from a genuine vintage U.S. Patent filed in 1967! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...