Language:
Style:
A+ | a-

Patent Protection Ended

No. Patent No. Title
4121. PI 88001033 DEVICE FOR TREATMENT OF GUM DISEASE
4122. PI 88001034 MULTITUBE REACTOR
4123. PI 88001035 FLOOR NOZZLE OF A VACUUM A CLEANER
4124. PI 88001039 ALUMINA-BASED CATALYSTS,THEIR PRODUCTION AND USE
4125. PI 88001042 CIGARETTE FILTER RODS AND CIGARETTES INCORPORATING SUCH FILTER RODS
4126. PI 88001045 DECORATIVE PANEL AS CONSTRUCTION MATERIAL
4127. PI 88001049 APPARATUS FOR CONNECTING AND DISCONNECTING A RINGING- SIGNAL TO A SUBSCRIBER
4128. PI 88001050 EXPANSION JOINT FOR ROADS AND BRIDGES
4129. PI 88001052 METHOD AND APPARATUS FOR DEMODULATING A BIPHASE SIGNAL
4130. PI 88001053 SACCHARIDE DERIVATIVES
4131. PI 88001054 PROCESS FOR PREPARING POLY (VINYLBENZYL ETHERS) OF POLYPHENOLS
4132. PI 88001058 SILICA EXTRUDATES
4133. PI 88001060 REINFORCING FIBRES AND A METHOD OF PRODUCING THE SAME
4134. PI 88001062 END LOADED CARTON
4135. PI 88001063 DRILL PIPE PROTECTOR
4136. PI 88001064 TAILCAP SWITCH-FOCUS FLASHLIGHT
4137. PI 88001065 APPARATUS FOR PARTIALLY SLITTING ABSORBENT BOARDS
4138. PI 88001066 FLEXIBLE ABSORBENT BOARD
4139. PI 88001067 UNITIZED SANITARY NAPKIN
4140. PI 88001069 COMPACT FORM-FILL-SEAL MACHINE FOR AUTOMATIC PRODUCTION OF SEALED PACKAGES