Patent Protection Ended
| No. | Patent No. | Title |
| 5581. | PI 89001590 | CERTAIN 2-(2'',3'',4''-TRISUBSTITUTED BENZOYL)-1,3- CYCLOHEXANEDIONES |
| 5582. | PI 89001593 | FIELD EFFECT TRANSISTOR LIMITER CIRCUITRY |
| 5583. | PI 89001596 | STORAGE FURNACE FOR STEEL PRODUCTS |
| 5584. | PI 89001597 | POWER MIXING DEVICE. |
| 5585. | PI 89001598 | DEVICE OF MEASURING CRT CHARACTERISTICS. |
| 5586. | PI 89001599 | DRYING DEVICE FOR INNER GRAPHITE LAYER OF COLOR PICTURE TUBE FUNNEL |
| 5587. | PI 89001600 | DIAMOND SAWING PROCESS |
| 5588. | PI 89001601 | VEHICLE INSPECTION TRAILER |
| 5589. | PI 89001602 | SAMPLE PREPARING METHOD FOR PHOSPHOR LAYER OF CATHODE RAY TUBE. |
| 5590. | PI 89001603 | SLIDER PULL TAB FOR SLIDE FASTENER |
| 5591. | PI 89001606 | PRODUCTION OF FERMENTED FOOD PRODUCTS. |
| 5592. | PI 89001607 | FUNGICIDES |
| 5593. | PI 89001608 | DETERGENT COMPOSITION |
| 5594. | PI 89001612 | A PROCESS FOR PREPARING QUINOLONE CARBOXYLIC ACID INTERMEDIATES. |
| 5595. | PI 89001613 | ANTI-ATHEROSCLEROTIC DIARYL COMPOUNDS |
| 5596. | PI 89001614 | METHOD FOR ENERGY RECOVERY FROM SOLID HAZARDOUS WASTE |
| 5597. | PI 89001615 | MINIMIZING DEACTIVATION OF ETHER SYNTHESIS CATALYST |
| 5598. | PI 89001617 | QUINUCLIDINE THERAPEUTIC AGENTS |
| 5599. | PI 89001620 | SELF-BONDING INSULATED WIRE AND COILS FORMED THEREFROM |
| 5600. | PI 89001622 | CLOSED LOOP GAS DEHYDRATION PROCESS AND APPARATUS |
<
1
2
...
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
...
1112
1113
>





