How does the spelling of the inventor's surname differ from the common spelling of the garment?

Answer

Macintosh vs. Mackintosh

The inventor's surname was spelled Macintosh, but the resulting coat became colloquially known and often branded as the Mackintosh, dropping the 'i' before the 'n'.

How does the spelling of the inventor's surname differ from the common spelling of the garment?

#Videos

The story of Charles Mackintosh - he invented rainwear! - YouTube

inventorrubberwaterproofMackintoshcoat