Engicom, naamloze vennootschap

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5079792 Absorbent element for non-aqueous liquidsExpiredJul 12, 89Jan 14, 92[A47L, B32B]
4991424 Integrated heatable sensorExpiredMay 22, 89Feb 12, 91[G01N]
4957106 Gas mask coupled to monolithic member with speech membraneExpiredNov 17, 88Sep 18, 90[A62B]
D307338 VisorExpiredNov 12, 87Apr 17, 90[]
4841963 Accessory for gas masks and gas masks equipped therewithExpiredSep 04, 87Jun 27, 89[B62B]

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