Inventor · disambiguated record
Norman C. Crandall
Also filed as: CRANDALL NORMAN · CRANDALL NORMAN C
5 granted patents·383 citations·filing 1975–1995
85Inventor score
Top patents by PatentIndex Score
5 records- 0186US4315505ATracheostomy tube with disposable inner cannulaSHILEY INC·Filed 1980·Granted Feb 16, 1982·215 cites·4 claims
- 0284US5819734ANeck flange for holding a tracheostomy tube in place and allowing limited movement therebetween and tracheostomy procedure using the sameMALLINCKRODT MEDICAL INC·Filed 1992·Granted Oct 13, 1998·56 cites·13 claims
- 0371US4009720AWedge seal for a tracheotomy tubeSHILEY LAB INC·Filed 1975·Granted Mar 1, 1977·89 cites·8 claims
- 0457USD255833SInfant oxygen hoodSHILEY INCORPORATED·Filed 1978·Granted Jul 8, 1980·6 cites·1 claims
- 0534US6284179B1Method of manufacturing a neck flangeMALLINCKRODT MEDICAL INC·Filed 1995·Granted Sep 4, 2001·17 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →