Patent Earth

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

This unique t-shirt features Studio Ribbon Microphone schematics from a genuine vintage U.S. Patent filed in 1938! These shirts look awesome, fit well, are great conversation starters and an...

This unique t-shirt features Bassoon schematics from a genuine vintage U.S. Patent filed in 1964! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...

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

This unique t-shirt features Timpani Kettle Drum schematics from a genuine vintage U.S. Patent filed in 1941! These shirts look awesome, fit well, are great conversation starters and an excellent...

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

This unique t-shirt features Bass Drum Pedal 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...

This unique t-shirt features Hi Hat Stand schematics from a genuine vintage U.S. Patent filed in 1969! These shirts look awesome, fit well, are great conversation starters and an excellent gift...

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 Mandolin 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 for...

This unique t-shirt features Harmonica schematics from a genuine vintage U.S. Patent filed in 1900! These shirts look awesome, fit well, are great conversation starters and an excellent gift for...