Artifact Details Title Roffey patent notebook (#1755) Catalog Number 102742186 Type Document Date 1978-04-10-1980-06-17 Author Roffey, Mike (Michael) Publisher Fairchild Semiconductor Identifying Numbers Document number 1755 Extent Dated entries over 152 pages. Dimensions 12 x 10 inches Category Notebooks Collection Title Fairchild Semiconductor notebooks and technical papers Credit Gift of Texas Instruments Incorporated Lot Number X6464.2012