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IPEXL Search >  Patent Directory >  AIR-SHIELDS Patent Directory   AIR-SHIELDS See Also: AIR brushes or pencils, AIR cooling or drying in mines, AIR curtains, AIR cushion(s) bearings, lawn-mowers supported by an AIR cushion 1. (4890624) Fetal heart rate counting system using digital signal processing. Assignee: Air-Shields, Inc. (Hatboro, PA) (More From this Assignee...) Inventor: Ganguly; Dipankar (Redmond, WA), Sanders; Gary B. (Carnation, WA) (More From this Inventor...) Application Date: March 22, 1988 Publication Date: January 2, 1990 more...

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