the hula hoop and frisbee.
because of inportance
richard invented the first flying machine
The dry plate process.
1930
richard ackwright builded a hause with all of his inventsion in leave commment !
Richard Knerr died in 2008.
Richard Knerr, co-founder of the toy company Wham-O, married Joan Knerr. They were married for many years and had three children together. Joan was known to support Richard in his business ventures and shared in the success of Wham-O's popular products.
Lou Knerr was born in 1921.
Lou Knerr died in 1980.
Kerry Scott Knerr is 6' 0".
Harold Knerr was born on 1882-09-04.
Harold Knerr died on 1949-07-08.
because of inportance
Hugh J. Knerr died on 1971-10-26.
Hugh J. Knerr was born on 1887-05-30.
K
Richard March Hoe invent Hight speed printing press...i think dot dot dot