Patent Protection Ended
| No. | Patent No. | Title |
| 2041. | PI 87001630 | FIRING MECHANISM |
| 2042. | PI 87001631 | LIQUID CRYSTAL DISPLAY ELEMENT. |
| 2043. | PI 87001632 | CONTROLLED RELEASE NAPROXEN AND NAPROXEN SODIUM TABLETS |
| 2044. | PI 87001633 | ANTIGENTS OF PLASMODIUM FALCIPARUM |
| 2045. | PI 87001636 | EXPRESSION OF PLASMODIUM FALCIPARUM POLYPEPTIDES FROM CLONEY CDNA |
| 2046. | PI 87001639 | PIPERIDINE DERIVATIVES |
| 2047. | PI 87001640 | SETTABLE CEMENTITIOUS COMPOSITIONS |
| 2048. | PI 87001642 | BUILT DETERGENT BAR COMPOSITIONS |
| 2049. | PI 87001643 | DETERGENT COMPOSITIONS |
| 2050. | PI 87001644 | DETERGENT COMPOSITIONS |
| 2051. | PI 87001645 | LIQUID DETERGENT COMPOSITIONS |
| 2052. | PI 87001646 | BUILT DETERGENT BAR COMPOSITIONS |
| 2053. | PI 87001647 | INSECTICIDAL PYRAZOLINES |
| 2054. | PI 87001650 | SLOTTING MACHINE |
| 2055. | PI 87001651 | ROTARY VANE-TYPE FLUID PRESSURIZING UNIT |
| 2056. | PI 87001652 | COMPOSITE SPRING |
| 2057. | PI 87001653 | REUSEABLE CARRIER TAPE |
| 2058. | PI 87001654 | CARRIER TAPE AND COVER APPLYING AND REMOVAL DEVICES FOR SAME |
| 2059. | PI 87001655 | CARRIER TAPE |
| 2060. | PI 87001656 | HARD BUTTER |
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