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Patent Protection Ended

No. Patent No. Title
4781. PI 89000370 PROCESS FOR PREPARING PHOTOCURED COATINGS.
4782. PI 89000376 FILTER COVER FOR A PURIFICATION INSERT IN A WATER TREATMENT DEVICE WITH A HOLLOW TUBE.
4783. PI 89000377 WHISKER REINFORCED CERAMIC MATERIAL WORKING TOOLS.
4784. PI 89000378 FILM CASSETTE.
4785. PI 89000381 4-ARYL-PIPERIDINE (OR PYRROLIDINE OR HEXAHYDROAZEPINE) CARBINOLS AND HETEROCYCLIC ANALOGS THEREOF.
4786. PI 89000382 FREQUENCY SYNTHESIZER WITH SPUR COMPENSATION.
4787. PI 89000384 WRAP-AROUND HEAT-RECOVERABLE SEALING ARTICLE.
4788. PI 89000385 TRIANGULATED SPACE TRUSSES, ASSEMBLY THEREOF, METHOD FOR ASSEMBLING THE ASSEMBLY AND METHOD FOR SUPPORTING THE SAME.
4789. PI 89000387 PHARMACEUTICAL COMPOSITION FOR SYSTEMIC TRANSDERMAL ADMINISTRATION.
4790. PI 89000388 FIRING HEAD FOR WELL PERFORATING GUN.
4791. PI 89000389 APPARATUS AND METHOD FOR MAKING MICROCAPSULES.
4792. PI 89000390 SYNTHESIS GAS PREPARATION AND CATALYST THEREFOR.
4793. PI 89000391 LOW IRRITATION DETERGENT COMPOSITION.
4794. PI 89000392 INTERNAL SYNCHRONIZATION TYPE MOS SRAM WITH ADDRESS TRANSITION DETECTING CIRCUIT.
4795. PI 89000393 PROCESS FOR SEPARATING HYDROPROCESSED EFFLUENT STREAMS.
4796. PI 89000394 ABSORBENT ARTICLE.
4797. PI 89000395 ABSORBENT ARTICLE.
4798. PI 89000396 SANITARY NAPKINS HAVING FLAPS AND STRESS RELIEF MEANS.
4799. PI 89000398 TRANSPARENT SOAP BARS.
4800. PI 89000400 METHOD AND APPARATUS FOR CONCURRENT MODIFICATION OF AN INDEX TREE IN A TRANSACTION PROCESSING SYSTEM.