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DATAMP Patents by Month for 1897
This table shows the number of the first patent in the DATAMP database for each month, broken down by patent type.
January 574,429-D26,513--[datamp][all]
February 576,093RE11,589D26,618--[datamp][all]
March 577,868-D26,766--[datamp][all]
April 579,951-D26,884--[datamp][all]
May 581,737----[datamp][all]
June 583,443RE11,616D27,172--[datamp][all]
July 585,652----[datamp][all]
August 587,321-D27,470--[datamp][all]
September 589,400-D27,659--[datamp][all]
October 591,027RE11,633D27,716--[datamp][all]
November 592,766-D27,812--[datamp][all]
December 594,852-D27,949--[datamp][all]