Artifact Details Title de Celis patent notebook (#1200) Catalog Number 102725488 Type Document Date 1970-01-15-1970-01-26 Author de Celis, John Publisher Fairchild Semiconductor Identifying Numbers Document number 1200 Extent Dated entries over 3 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