Artifact Details Title Haydl patent notebook (#680) Catalog Number 102725759 Type Document Date 1967-01-24-1968-02-08 Author Haydl, William H. Publisher Fairchild Semiconductor Identifying Numbers Document number 680 Extent Dated entries over 29 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