Clean room

Description

FIG. 1 is a front perspective view of the clean room illustrating the front, top and right side thereof; and

FIG. 2 is a rear perspective view illustrating the rear, top and left side thereof.

Referenced Cited
U.S. Patent Documents
D123640 November 1940 Thomason
D238572 January 1976 Wheeler
3611907 October 1971 Wasserman et al.
3885362 May 1975 Pollock
4267769 May 19, 1981 Davis et al.
Patent History
Patent number: D272469
Type: Grant
Filed: Nov 2, 1981
Date of Patent: Jan 31, 1984
Assignee: Burleson Airology Corporation (Orange, CA)
Inventor: Maurice L. Burleson (La Palma, CA)
Primary Examiner: A. Hugo Word
Law Firm: Knobbe, Martens, Olson & Bear
Application Number: 6/317,259