Healthscan, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D315583 Inspiratory muscle exerciser or similar articleExpiredMar 15, 88Mar 19, 91[]
4944306 Spirometer for pulmonary measurementExpiredOct 11, 89Jul 31, 90[A61B]
4854574 Inspirator muscle trainerExpiredMar 15, 88Aug 08, 89[A63B, A62B]
D280765 Design for inspiratory muscle trainerExpiredNov 04, 82Sep 24, 85[]
4533137 Pulmonary training methodExpiredMar 13, 84Aug 06, 85[A63B]

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