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Patent Protection Ended

No. Patent No. Title
3441. PI 88000151 HOT WATER SUPPLY APPARATUS
3442. PI 88000152 AN OUTER CASE OF INSULATION CABINET FOR REFRIGERATED STORAGE/DISPLAY CASE
3443. PI 88000153 METHOD OF AND APPARATUS FOR ADJUSTING PRESSURE OF SCREW PRESS
3444. PI 88000154 COMPUTER SYSTEM WITH AUTOMATIC INITIALIZATION OF PLUGGABLE OPTION CARDS
3445. PI 88000155 PIPERAZINECARBOXYLIC ACID, ITS PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING IT
3446. PI 88000156 CYANOGUANIDINE DERIVATIVE AND PROCESS FOR PREPARATION THEREOF
3447. PI 88000157 IMPROVED DROGUE OR SEA ANCHOR.
3448. PI 88000158 CYANOGUANIDINE DERIVATIVE AND PROCESS FOR PREPARATION THEREOF
3449. PI 88000160 ACETYLENES DISUBSTITUTED WITH A HETEROAROMATIC GROUP AND A TETRALIN GROUP HAVING RETINOID LIKE ACTIVITY.
3450. PI 88000161 ARYLPIPERAZINYL-ALKYLENE-PHENYL-HETEROCYCLIC COMPOUNDS.
3451. PI 88000163 6-AMINOMETHYL-FURO-(3,4-C)-PYRIDINE DERIVATIVES.
3452. PI 88000164 PROCESS FOR MANUFACTURING PLASTIC PIN GRID ARRAYS AND THE PRODUCT PRODUCED THEREBY
3453. PI 88000165 AROMATIC POLYAMIDE AND GAS-BARRIER PROPERTY IMPARTING AGENT COMPOSED OF IT
3454. PI 88000166 MEMORY ARBITRATION FOR VIDEO SUBSYSTEMS
3455. PI 88000167 PROCESSOR APPARATUS WITH IMPROVED CONTROL OF ELECTROMAGNETIC RADIATION
3456. PI 88000169 ZINC-PROTAMINE-ALPHA INTERFERON COMPLEX
3457. PI 88000170 MOISTURE-RESISTANT SKIN TREATMENT COMPOSITIONS
3458. PI 88000172 SELF-REGULATING, NO LOAD PROTECTED ELECTRONIC BALLAST SYSTEMS
3459. PI 88000173 N-CYANOISOTHIOUREAS AND USE THEREOF IN PEST CONTROL
3460. PI 88000175 HIGH STRENGTH CURED CEMENT ARTICLE AND PROCESS FOR MANUFACTURING THE SAME