Mit Google geht es recht schnell:

PAT = ArcView : geocoding pattern recognition Datei
PAT = AutoCAD Hatch Pattern
PAT = Corel Vektor Pattern
PAT = Dokument MultiMate 3.3
PAT = exePatch utility Warcraft2 (WarHack)
PAT = Datei Investigator pattern Datei
PAT = Forte Tech. Patch
PAT = allgemein patch
PAT = Gravis Ultrasound : Klang patch
PAT = Hatch patterns Photostyler
PAT = Verknüpfung geographic locations nach databases : Polygon Attribute Table
PAT = Mime: audio/x-pat
PAT = PaintShopPro Pattern Bild Format
PAT = Patch Datei (Advanced Gravis Ultrasound/Forte Technologies)
PAT = Pattern (Bitmap genutzt by Zeichnung programs)/Corel Draw pattern
PAT = Smash : Simulator test pattern
PAT = Klang
PAT = US Patent and Trademark Office : Bitmap Grafik (1bit black and white patent Daten)
PAT = Vektor Pattern PSP / Gimp / Datei Investigator / DataCAD Hatch