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
Richard Knerr co-founded the Wham-O toy company and is credited with popularizing the hula hoop in the late 1950s. Inspired by an Australian bamboo hoop used for exercise, Knerr and his partner developed a plastic version that quickly became a cultural phenomenon. Its success was fueled by effective marketing and a growing interest in fitness and play, leading to a nationwide craze. The hula hoop embodied the playful spirit of the era and remains a symbol of childhood fun.
Hugh J. Knerr died on 1971-10-26.
Hugh J. Knerr was born on 1887-05-30.
Richard March Hoe invent Hight speed printing press...i think dot dot dot