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DATAMP Patents by Month for 1981
This table shows the number of the first patent in the DATAMP database for each month, broken down by patent type.
January 4,242,926----[datamp][all]
February 4,248,115----[datamp][all]
March 4,253,351----[datamp][all]
April 4,261,233----[datamp][all]
May 4,266,120----[datamp][all]
June 4,270,275----[datamp][all]
July 4,276,799----[datamp][all]
August 4,281,538----[datamp][all]
September 4,288,909-D260,476--[datamp][all]
October --D261,096--[datamp][all]
November 4,300,086----[datamp][all]
December 4,305,440----[datamp][all]