Wildcard General Knowledge Quiz for 27 November 2010
A new wildcard quiz is available each week. Try our daily general knowledge quiz or work through our archive of daily and themed quizzes.
Question 1: Which sewing machine company has held a patent on the mechanism that creates the blanket stitch since its introduction in 1877 (the most recent patent renewal was in 2007), and is involved in litigation with several Chinese firms who are accused of violating their intellectual property rights?
A
B
Brother
Bernina
C
Merrow
D
Singer