Artifact Details Title Engvall patent notebook (#1310) Catalog Number 102725595 Type Document Date 1970-12-04-1971-04-20 Author Engvall, Art Publisher Fairchild Semiconductor Identifying Numbers Document number 1310 Extent Dated entries over 56 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