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Patent Protection Ended

No. Patent No. Title
21441. UI 20030041 COLON HYDROTHERAPEUTIC APPARATUS FOR USE AT HOME
21442. UI 20030169 DUAL CASEMENT WINDOW STRUCTURE
21443. UI 20030545 DUALFUNCTION WRITING INSTRUMENT
21444. UI 20030974 OIL-GAS SEPARATING DEVICE FOR BLOW-BY GAS
21445. UI 20031294 SIGNBOARD SHADE THAT CAN UNIFORMLY DIFFUSE LIGHT
21446. UI 20031431 A LATCH FOR CASEMENT WINDOW
21447. UI 20032165 OSCILLATING SAND/EARTH SORTING DEVICE
21448. UI 20032198 PERFORATED PANELS FOR WALL CLADDING OR CEILING
21449. UI 20032205 VARIABLE BUOYANCY FLOAT OPERATED INLET VALVE
21450. UI 20032348 DUAL SCREW FEEDING SYSTEM
21451. UI 20032373 BLOW-BY GAS ENGINE OIL RECYCLING ARRANGEMENT
21452. UI 20032906 WAVE POWERED VESSEL
21453. UI 20033182 VEHICLE BATTERY JAR STRUCTURE
21454. UI 20033560 SAFETY BOOT SOLE
21455. UI 20033720 IMPROVEMENTS TO APPARATUS FOR SHREDDING FIBROUS VEGETABLE MATERIALS
21456. UI 20034163 CONTAINER STRUCTURE FOR LOTS OR CHIPS
21457. UI 20034964 CLEANING DEVICE FOR INTERNAL COMBUSTION ENGINE
21458. UI 20035044 A LIGHT-INVERSE TYPE GUIDELIGHT PLATE
21459. UI 20040050 IMPROVEMENT TO A MODULAR FRAMING SYSTEM
21460. UI 20040068 AUTOMATIC FACIAL CLEANSING/WASHING SYSTEM COMPLETE WITH STORAGE COMPARTMENTS