Laser smoke particulate/odor filter unit for use in surgical environments
Description
FIG. 1 is a perspective view of a laser smoke particulate/odor filter unit for use in surgical environments showing the new design;
FIG. 2 is a top plan view;
FIG. 3 is a bottom plan view;
FIG. 4 is a front elevational view, the rear being substantially a mirror image thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D117566 | November 1939 | Koehler |
D291593 | August 25, 1987 | Robertson |
1716479 | June 1929 | Bilsky |
2055774 | September 1936 | Ray |
2100051 | November 1937 | Hallner |
3675398 | July 1972 | Giarrizzo |
105159 | October 1964 | NOX |
Patent History
Patent number: D304612
Type: Grant
Filed: Jan 12, 1987
Date of Patent: Nov 14, 1989
Assignee: W. Stackhouse Associates, Inc. (El Segundo, CA)
Inventors: Wyman H. Stackhouse (Manhattan Beach, CA), Ian M. Williamson (Redondo Beach, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Singer & Singer
Application Number: 7/2,185
Type: Grant
Filed: Jan 12, 1987
Date of Patent: Nov 14, 1989
Assignee: W. Stackhouse Associates, Inc. (El Segundo, CA)
Inventors: Wyman H. Stackhouse (Manhattan Beach, CA), Ian M. Williamson (Redondo Beach, CA)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Singer & Singer
Application Number: 7/2,185
Classifications
Current U.S. Class:
Filter (D23/365)