Air purification unit
Latest Control Resource Systems, Inc. Patents:
Description
FIG. 1 is a front perspective view of an air purification unit showing our new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof; and
FIG. 6 is a right side elevation view thereof, the left side being a mirror image of that shown.
Referenced Cited
U.S. Patent Documents
4604111 | August 5, 1986 | Natale |
Patent History
Patent number: D316142
Type: Grant
Filed: Feb 15, 1989
Date of Patent: Apr 9, 1991
Assignee: Control Resource Systems, Inc. (Michigan City, IN)
Inventors: Rickey S. Lutterbach (Michigan City, IN), Jeffrey A. Granacki (Michigan City, IN)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Wood, Phillips, Mason, Recktenwald & VanSanten
Application Number: 7/310,712
Type: Grant
Filed: Feb 15, 1989
Date of Patent: Apr 9, 1991
Assignee: Control Resource Systems, Inc. (Michigan City, IN)
Inventors: Rickey S. Lutterbach (Michigan City, IN), Jeffrey A. Granacki (Michigan City, IN)
Primary Examiner: James M. Gandy
Assistant Examiner: Lisa Lichtenstein
Law Firm: Wood, Phillips, Mason, Recktenwald & VanSanten
Application Number: 7/310,712
Classifications
Current U.S. Class:
Air Cleaner (D23/364)