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Patent Protection Ended

No. Patent No. Title
5441. PI 89001384 TEMPORARY PROTECTIVE AQUEOUS COATING COMPOSITION.
5442. PI 89001386 ANTIMICROBIAL COMPOSITION AND METHOD OF USE.
5443. PI 89001387 PSYLLIUM-CONTAINING PRODUCTS.
5444. PI 89001389 PRODUCTION OF HUMAN PROUROKINASE.
5445. PI 89001390 DEVICE FOR AUTOMATICALLY WEIGHING OBJECT IN CONVEYANCE.
5446. PI 89001392 NEW 2 - CARBONYL SUBSTITUTED N, N'' -DI (TRIMETHOXYBENZOYL) PIPERAZINES, PROCESS FOR PREPARING THE SAME AND THERAPEUTICAL COMPOUNDS CONTAINING THEM.
5447. PI 89001393 NEW 2-METHOXYCARBONYL SUBSTITUTED N, N'' -DI- (TRIMETHOXYBENZOYL) PIPERAZINES, PROCESS FOR PREPARING THE SAME AND THERAPEUTICAL COMPOUNDS CONTAINING THEM.
5448. PI 89001394 BALL-SHOOTING GAME MACHINE.
5449. PI 89001395 A HIGH-FREQUENCY DEVICE AND PRODUCTION METHOD FOR THE SAME.
5450. PI 89001398 BALLOON DILATATION CATHETER WITH INTEGRAL GUIDEWIRE.
5451. PI 89001399 IMMUNOASSAY ON A PREBLOCKED SOLID SURFACE
5452. PI 89001400 HIGH SENSITIVITY DETECTION OF PEROXIDASE ACTIVITY.
5453. PI 89001402 CIGARETTE FILTER ROD ELEMENTS AND CIGARETTES INCORPORATING SUCH FILTER ROD ELEMENTS.
5454. PI 89001403 PROCESS FOR THE PREPARATION OF 7-SUBSTITUTED-HEPT-6-ENOIC AND -HEPTANOIC ACIDS AND DERIVATIVES AND INTERMEDIATES THEREOF.
5455. PI 89001404 CIRCUIT ARRANGEMENT FOR THE REVERSAL OF A MAGNETIC FIELD.
5456. PI 89001406 CHEMICAL PROCESS AND CATALYST TO BE USED THEREIN.
5457. PI 89001408 METHOD OF CORRECTING AND PLAYING BACK POSITIONAL INSTRUCTION DATA IN A ROBOT.
5458. PI 89001409 METHODS OF AND APPARATUS FOR GENERATING CORRECTION WAVEFORM FOR AN IMAGE DISPLAY.
5459. PI 89001410 DATA RECORDING METHOD & APPARATUS.
5460. PI 89001411 SLING-BOTTOM ARTICLE CARRIER