Artifact Details Title Engvall patent notebook (#461) Catalog Number 102725594 Type Document Date 1965-10-21-1970-12-17 Author Engvall, Art Publisher Fairchild Semiconductor Identifying Numbers Document number 461 Extent Dated entries over 150 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