Clean room hood
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Description
FIG. 1 is a front perspective view of a clean room hood showing our new design; and
FIG. 2 is a rear perspective view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
| D165373 | December 1951 | Hayes |
| D189233 | November 1960 | Gardner et al. |
| D203739 | February 1966 | Brill et al. |
| D230912 | March 1974 | Schaffer |
| 2365656 | December 1944 | Lamsa |
| 2567192 | September 1951 | De Grazia |
| 2869132 | January 1959 | Drummond |
| 3458864 | August 1969 | Austin et al. |
| 4411023 | October 25, 1983 | Pinson |
| 708333 | July 1941 | DE2 |
Patent History
Patent number: D288732
Type: Grant
Filed: Oct 24, 1983
Date of Patent: Mar 10, 1987
Assignee: Motorola, Inc. (Schaumburg, IL)
Inventors: Teresa L. Widener (Austin, TX), Richard L. Prilliman (Austin, TX), James B. Wilhelm, Jr. (Austin, TX), Donna A. Barger (Austin, TX), Valerie J. Trombley (Cedar Creek, TX)
Primary Examiner: Carmen H. Vales
Attorneys: John A. Fisher, Jeffrey Van Myers, James L. Clingan, Jr.
Application Number: 6/544,941
Type: Grant
Filed: Oct 24, 1983
Date of Patent: Mar 10, 1987
Assignee: Motorola, Inc. (Schaumburg, IL)
Inventors: Teresa L. Widener (Austin, TX), Richard L. Prilliman (Austin, TX), James B. Wilhelm, Jr. (Austin, TX), Donna A. Barger (Austin, TX), Valerie J. Trombley (Cedar Creek, TX)
Primary Examiner: Carmen H. Vales
Attorneys: John A. Fisher, Jeffrey Van Myers, James L. Clingan, Jr.
Application Number: 6/544,941
Classifications
Current U.S. Class:
D29/15
