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Patent Protection Ended

No. Patent No. Title
1621. PI 87001142 SUBSTITUTED PYRIDINESULFONAMIDE COMPOUNDS, HERBICIDAL COMPOSITION CONTAINING THEM, AND METHOD OF PREPARING THESE COMPOUNDS
1622. PI 87001143 SLIDE FASTENER SUITABLE FOR USE ON ARTICLES MADE OF PLASTICS MATERIAL.
1623. PI 87001144 SEPARABLE BOTTOM-END-STOP ASSEMBLY FOR SEPARABLE SLIDE FASTENER.
1624. PI 87001145 FLUID-TIGHT SLIDE FASTENER.
1625. PI 87001146 APPARATUS FOR ASSEMBLING PAIRS OF FASTENER ELEMENTS.
1626. PI 87001147 BARREL-TYPE COATING APPARATUS.
1627. PI 87001148 GRIPPER MECHANISM FOR FEEDING ELONGATE STRIPS.
1628. PI 87001150 SURGICAL FASTENER MADE FROM POLYMERIC BLENDS.
1629. PI 87001151 METHOD FOR DRY FRACTIONATION OF FATTY MATERIAL.
1630. PI 87001152 DRUM MAGAZINE.
1631. PI 87001154 MECHANISM FOR DELIVERING FASTENER ELEMENTS TO FASTENER- ASSEMBLING APPARATUS.
1632. PI 87001155 DRIVE CONTROL IN AN APPARATUS FOR ASSEMBLY FASTENER ELEMENTS.
1633. PI 87001156 APPARATUS FOR ATTACHING FASTENERS TO WEB-LIKE MATERIALS
1634. PI 87001157 PRECIPITATION OF SCALE-FORMING MATERIALS FROM SOLUTION.
1635. PI 87001158 IMPROVED TAKRAW BALL
1636. PI 87001159 SPACER FOR WELL CONTROL FLUID
1637. PI 87001160 STABLE LIQUID OIL-IN-WATER EMULSION AND PROCESS.
1638. PI 87001162 METHOD FOR THE MULTIPLE USE OF A COPPER WIRE USED AS ELECTRODE WIRE FOR ELECTRICAL RESISTANCE LONGITUDINAL SEAM WELDING.
1639. PI 87001164 SUSTAINED RELEASE PREPARATION.
1640. PI 87001165 ORAL SUSTAINED RELEASE PHARMACEUTICAL PREPARATION.