Magnetic card reader and door knob assembly

- Hewi Heinrich Wilke GmbH
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front elevational view of a magnetic card reader and door knob assembly showing our new design;

FIG. 2 is a left side elevational view thereof, the right side being a mirror image of that shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a top, front, and left side perspective view thereof;

FIG. 5 is a front elevational view of a second embodiment of a magnetic card reader and door knob assembly showing our new design;

FIG. 6 is a left side elevational view thereof, the right side being a mirror image of that shown;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a top, front, and left side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D288899 March 24, 1987 Floyd et al.
D305861 February 6, 1990 Kautt
D313159 December 25, 1990 Kautt
D360124 July 11, 1995 Gartner
D366822 February 6, 1996 Brooks et al.
4227388 October 14, 1980 Nigrelli et al.
4232353 November 4, 1980 Musciatti et al.
Patent History
Patent number: D382790
Type: Grant
Filed: Aug 25, 1995
Date of Patent: Aug 26, 1997
Assignee: Hewi Heinrich Wilke GmbH (Arolsen)
Inventors: Willi Hankel (Waldeck), Bernd Steltner (Volkmarsen), Winfried Scholl (Dusseldorf)
Primary Examiner: Brian N. Vinson
Attorney: Michael J. Striker
Application Number: 0/43,447
Classifications
Current U.S. Class: D/8330
International Classification: 0807;