Patent
   D354808
Priority
Dec 15 1992
Filed
Jan 21 1993
Issued
Jan 24 1995
Expiry
Jan 24 2009
Assg.orig
Entity
unknown
0
17
n/a
The ornamental design for a an end tidal carbon monoxide monitor filter, as shown and described.

FIG. 1 is a front perspective view of an end-tidal carbon monoxide monitor filter showing our new design;

FIG. 2 is a front elevational view of the filter as seen from the left side of FIG. 1;

FIG. 3 is a rear elevational view as seen from the rear of FIG. 1;

FIG. 4 is a side elevational view as seen from the rear of FIG. 1;

FIG. 5 is a bottom plan view of the filter unit of FIG. 4; and,

FIG. 6 is a front perspective view of a second embodiment of an end-tidal carbon monoxide monitor filter showing our new design.

Stone, Robert T., Sheehan, Neil J., Rouw, Scott R.

Patent Priority Assignee Title
Patent Priority Assignee Title
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WO9325142,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 13 1993SHEEHAN, NEILNatus Medical IncorporatedASSIGNMENT OF ASSIGNORS INTEREST 0064150379 pdf
Jan 13 1993ROUW, SCOTT T Natus Medical IncorporatedASSIGNMENT OF ASSIGNORS INTEREST 0064150379 pdf
Jan 13 1993STONE, ROBERT T Natus Medical IncorporatedASSIGNMENT OF ASSIGNORS INTEREST 0064150379 pdf
Jan 21 1993Natus Medical Incorporated(assignment on the face of the patent)
May 18 1994Natus Medical IncorporatedSilicon Valley BankASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0071760322 pdf
Jun 18 2001Natus Medical IncorporatedSilicon Valley BankSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0119870081 pdf
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