Endotracheal drug tube

Description

FIG. 1 is a front elevational view of an endotracheal drug tube showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
4538606 September 3, 1985 Whited
4584998 April 29, 1986 McGrail
4589410 May 20, 1986 Miller
4821714 April 18, 1989 Smelser
Patent History
Patent number: D328128
Type: Grant
Filed: Oct 5, 1989
Date of Patent: Jul 21, 1992
Inventors: James A. Fox (Hixson, TN), Douglas S. Radeker (Chattanooga, TN)
Primary Examiner: Stella Reid
Attorney: Leon Gilden
Application Number: 7/417,679