Artifact Details Title Apfel patent notebook (#1338) Catalog Number 102725272 Type Document Date 1973-05-30-1974-01-29 Author Apfel, Russell Publisher Fairchild Semiconductor Identifying Numbers Document number 1338 Extent Dated entries over 9 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