AMERICAN HOSPITAL SUPPLY CORPORATION

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4854836 Collapsible conduit for linear peristaltic pump and method of making the sameExpiredFeb 18, 86Aug 08, 89[F04B]
4832036 Medical electrodeExpiredMay 13, 85May 23, 89[A61B]
4785799 Method and apparatus for automatic profiled infusion in cyclic TPNExpiredFeb 18, 88Nov 22, 88[A61M]
D297978 Automatic retractable lancet for bleed time determinationExpiredAug 16, 85Oct 04, 88[]
4759378 Flexible tip cardiac pacing catheterExpiredMar 18, 86Jul 26, 88[A61N]
4745928 Right heart ejection fraction and cardiac output catheterExpiredMay 01, 86May 24, 88[A61B]
4700560 Calibration cell for calibration of gaseous or non-gaseous fluid constituent sensorsExpiredAug 08, 86Oct 20, 87[G01C]
4688554 Directing cannula for an optical diagnostic systemExpiredApr 10, 86Aug 25, 87[A61B]
4681741 Reagent dispenser for an analyzing systemExpiredDec 17, 86Jul 21, 87[B01L, B01J]
4671792 Pressure-regulating peristaltic pumpExpiredFeb 18, 86Jun 09, 87[A61M]
4655219 Multicomponent flexible grasping deviceExpiredJun 24, 86Apr 07, 87[A61B]
4648868 Apparatus for controlling flow and pressure measurementExpiredSep 30, 85Mar 10, 87[F16K, A61B]
4605896 Method of contacting the galvanic contacts of an identification card with an embedded IC-moduleExpiredMar 13, 85Aug 12, 86[G07F, G01R, G06K]
4542748 Apparatus and method for measuring cardiac outputExpiredMar 07, 83Sep 24, 85[A61B]
4540565 Reduced IgG in low ionic strength medium for immunohematologic agglutinationExpiredAug 13, 81Sep 10, 85[G01N]
4537071 Retriever toolExpiredNov 23, 83Aug 27, 85[G01D]
4474385 Removable wheel assembly for wheelchairsExpiredMay 25, 83Oct 02, 84[B62M]
4470723 Oscillatable marine installation and method for its constructionExpiredDec 23, 80Sep 11, 84[F16C, E02B, E02D, E21B]
4467013 Bioactive water and alcohol-repellant medical fabricExpiredJul 20, 82Aug 21, 84[B05D, B04H]
4433061 Radioimmunoassay for cyclic nucleotidesExpiredJun 01, 81Feb 21, 84[G01N]

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