Tapered ring nasal passage dilation device

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Description

FIG. 1 is a perspective view of a tapered ring nasal passage dilation device showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D310565 September 11, 1990 Petruson
D325439 April 14, 1992 Apple et al.
D380264 June 24, 1997 Petruson
4105035 August 8, 1978 Rella
4201217 May 6, 1980 Slater
4414977 November 15, 1983 Rezakhany
5476091 December 19, 1995 Johnson
5546929 August 20, 1996 Muchin
5669377 September 23, 1997 Fenn
5775335 July 7, 1998 Seal
5895409 April 20, 1999 Mehdizadeh
Patent History
Patent number: D430667
Type: Grant
Filed: Oct 15, 1998
Date of Patent: Sep 5, 2000
Inventor: Harold Rome (Las Vegas, NV)
Primary Examiner: Doris Clark
Attorney: John D. Gugliotta, P.E. Esq
Application Number: 0/95,072
Classifications
Current U.S. Class: Speculum, Dilator Or Retractor (25) (D24/135)
International Classification: 2402;