HELIX BIOMEDICAL ACCESSORIES, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5104218 Micropipette adaptor for spectrofluorimetersExpiredNov 09, 89Apr 14, 92[G01N]
5092674 Micropipette adaptor for spectrophotometers with temperature controlExpiredSep 15, 89Mar 03, 92[G01N]
4991958 Micropipette adaptor for spectrophotometersExpiredJul 10, 89Feb 12, 91[G01N]

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