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Patent Protection Ended

No. Patent No. Title
1961. PI 87001537 MICROBIAL POLYSACCHARIDE ARTICLES AND METHODS OF PRODUCTION
1962. PI 87001539 REINFORCED CASTING MATERIAL.
1963. PI 87001540 COMPOSITION BASED ON A FINELY DIVIDED ACTIVE PRINCIPLE OF LOW WATER SOLUBILITY.
1964. PI 87001541 NOVEL BIOCIDAL MIXTURE.
1965. PI 87001542 UNIFIED PRESSURE-SENSITIVE ADHESIVE TAPE.
1966. PI 87001543 PRESS FORMING SHEET METAL
1967. PI 87001544 PROCESS FOR THE MANUFACTURE OF MUSHROOM SPAWN
1968. PI 87001545 THERMAL AND OPTICAL CAMOUFLAGE
1969. PI 87001546 MOUNTING APPARATUS FOR A GRAPPLE HEAD ASSEMBLY
1970. PI 87001548 METALCLAD SWITCHGEAR HAVING SEPARATE ASSEMBLIES
1971. PI 87001549 IN SITU CROSSLINKING OF POLYELECTROLYTES.
1972. PI 87001550 ORAL HYGIENCE COMPOSITIONS.
1973. PI 87001551 PANTY LINER WITH FLOW RETARDING LAYER
1974. PI 87001552 ELECTROMAGNETIC CLUTCH HAVING HIGH TORQUE TRANSFER
1975. PI 87001553 DIMENSIONALLY RECOVERABLE ARTICLE.
1976. PI 87001554 DIMENSIONALLY RECOVERABLE ARTICLE.
1977. PI 87001555 DIMENSIONALLY RECOVERABLE ARTICLE.
1978. PI 87001556 METHOD AND APPARATUS FOR DETERMINING IN A COMPUTER WHICH OF A NUMBER OF PROGRAMMES ARE ALLOWED TO UTILISED A RAPID ACCESS MEMORY.
1979. PI 87001557 MANUFACTURE OF PRINTED ELASTIC BANDS.
1980. PI 87001559 BLEACH-STABLE DEODORANT PEPRFUMS IN DETERGENT COMPOSITIONS