Apple has been granted with 20+ patents related to voicemail, touch screen and many more by US patent & trademark office. Touch screen can be manufactured with fewer parts and processing steps. New graphics user interface for voicemail. Today the list of patents awarded to Apple are as follows,





Patents in USPTO can be searched at patft.uspto.gov/netahtml/PTO/srchnum.htm

Granted Patent 7,996,578: Methods and Systems to Dynamically Manage Performance States in a Data Processing System.

Granted Patent 7,994,730: Pulse width modulation (PWM) closed loop LED current driver in an embedded system

Granted Patent 7,994,820: Level shifter with embedded logic and low minimum voltage

Granted Patent 7,995,606: Fly-by and ack-accelerated arbitration for broadcast packets

Granted Patent 7,996,662: Floating Point Status/Control Register Encodings for Speculative Register Field

Granted Patent 7,996,694; Dark Wake

Granted Patent 7,996,789: Methods and Apparatuses to Control Application Programs – covers the Dock in OS X.

Granted Patent 7,996,646: Efficient encoding for detecting load dependency on store with misalignment

Granted Patent 7,996,427: Unified system for accessing metadata in disparate formats

Granted Patent 7,996,624: Prefetch unit

Granted Patent 7,996,599: Command resequencing in memory operations

Granted Patent 7,996,380: Method and apparatus for processing metadata

Granted Patent 7,995,410: Leakage and NBTI reduction technique for memory

Granted Patent 7,996,458: Assigning tasks in a distributed system

Granted Patent 7,996,351: Automated estimation of a country where a client computer is configured to operate

Granted Patent 7,995,334: Printed circuit board

More information on Apple findings can be obtained at patently Apple