A real Martha Washington bedspread is based on the hand-weaved bedspread that George chose for his bride. The design is thousands of years old and the fabric is true to the 18th century. Bates, also, had an Abigail Adams bedspread.
Many manufacturers who wanted their product to have a colonial flavor would name them after figures of the era. Revere cookware wasn't produced until the 20th century and has only the slightest connection to Silversmith Paul Revere.