Patent Protection Ended
| No. | Patent No. | Title |
| 21521. | UI 91002345 | AN IMPROVED MORTAR FUZE. |
| 21522. | UI 91002358 | AN IMPROVED MORTAR FUZE |
| 21523. | UI 92000135 | INSECT TRAP |
| 21524. | UI 92000155 | REFLECTIVE PLATE |
| 21525. | UI 92000199 | SYNTHETIC FABRIC FOR MAKING SACK OR THE LIKES |
| 21526. | UI 92000200 | TRAWL/OTTER BOARD |
| 21527. | UI 92000203 | SOLE OF A SANDAL |
| 21528. | UI 92000218 | INFANT FEEDING BOTTLE |
| 21529. | UI 92000225 | DETACHABLE ROAD BALUSTRADE WITH SAFETY BUFFER |
| 21530. | UI 92000336 | APPARATUS FOR SEPARATING SOLID FROM A LIQUID |
| 21531. | UI 92000520 | LIQUID TREATMENT APPARATUS |
| 21532. | UI 92000565 | VOICE-CONTROLLED SPEAKER MICROPHONE OF A WIRELESS INTERCOM. |
| 21533. | UI 92000652 | IMPROVEMENT IN OR RELATING TO A PRESS-CONTACT TYPE ELECTRIC CONNECTOR FOR A FLAT,FLEXIBLE CABLE. |
| 21534. | UI 92000663 | APPARATUS FOR MIXING FOOD ARTICLE LIKE FLOUR. |
| 21535. | UI 92000664 | A BROILING APPARATUS. |
| 21536. | UI 92000692 | A MAGNETIC RECIPROCATING COMPRESSOR |
| 21537. | UI 92000768 | HINGING DEVICE FOR CASING. |
| 21538. | UI 92000798 | TEMPERATURE WARNING DEVICES FOR MOTORISED VEHICLES. |
| 21539. | UI 92000800 | "INFUSION ALARM SYSTEM" |
| 21540. | UI 92000825 | WARNING DEVICE FOR ON-COMING TRAFFIC. |
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