Events
Births
Deaths
Holidays and observances
August 1 - August 3 - July 2 - September 2 -- listing of all days
January, February, March, April, May, June, July, August, September, October, November, December
... US patents 3,726,146 (1973) and 5,353,655 (1994) by L.A. Mishler and US patent 5,800,311 (1998) by P.S.Chuang. External links www.gyrotwister.d ...