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This unique t-shirt features Electrodynamic Speaker 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 dj's, sound engineers, music producers, and...

This unique t-shirt features French Horn schematics from a genuine vintage U.S. Patent filed in 1949! These shirts look awesome, fit well, are great conversation starters and an excellent gift for musicians, band leaders and music...

This unique t-shirt features Quadcopter Drone 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 pilots, flight instructors, engineers, aviation...

This unique t-shirt features Automatic Juke Box 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 for dj's, sound engineers, music producers, and...

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 gift for tennis players, coaches & gym...

This unique t-shirt features 1970 Headphones schematics from a genuine vintage U.S. Patent filed in 1970! 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 Grand Piano schematics from a genuine vintage U.S. Patent filed in 1928! These shirts look awesome, fit well, are great conversation starters and an excellent gift for piano players, piano teachers and classical music...

This unique t-shirt features Distillery Still schematics from a genuine vintage U.S. Patent filed in 1893! 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 Cassette Tape schematics from a genuine vintage U.S. Patent filed in 1989! 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 Theater Spotlight 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 film workers, actors, directors, stage...

This unique t-shirt features Pipe Bender schematics from a genuine vintage U.S. Patent filed in 1932! These shirts look awesome, fit well, are great conversation starters and an excellent gift for plumbers, construction workers &...

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 excellent gift for miners, oil & gas workers and petroleum...