Sound conditioner for masking intruding noises

- Marpac Corporation
Description

FIG. 1 is a top plan view of a sound conditioner for masking intruding noise, showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
4548292 October 22, 1985 Noxon
4832147 May 23, 1989 Dear et al.
Patent History
Patent number: D311065
Type: Grant
Filed: May 23, 1988
Date of Patent: Oct 2, 1990
Assignee: Marpac Corporation (Wilmington, NC)
Inventors: David A. Theisen (Hampstead, NC), Robert L. Gault (Raleigh, NC)
Primary Examiner: A. Hugo Word
Assistant Examiner: Stella M. Reid
Law Firm: Olive & Olive
Application Number: 7/197,415
Classifications
Current U.S. Class: D24/99; D24/8