Sound conditioner for masking intruding noises
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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
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
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