Artifact Details Title Roffey patent notebook (#1992) Catalog Number 102742187 Type Document Date 1979-04-26-1983-07-13 Author Roffey, Mike (Michael) Publisher Fairchild Semiconductor Identifying Numbers Document number 1992 Extent Dated entries over 67 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