Apple hereby grants to Microsoft a nonexclusive, worldwide, royalty-free, nontransferable license to make, use and sell the inventions described and claimed in claims 9, 11, 12, and 13 of the United States Patent No. 4,464,652 for the life of the patent. Microsoft in turn may license these rights to and through third parties for use in their software programs and hardware products. Microsoft is not required to cause any patent marking to appear in its products which use any such inventions.