Hardness tester
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Claims
The ornamental design for a hardness tester, as shown.
4442705 | April 17, 1984 | Lang et al. |
D283599 | April 29, 1986 | Biddle et al. |
4667509 | May 26, 1987 | Tobolski et al. |
5616857 | April 1, 1997 | Merck et al. |
D394015 | May 5, 1998 | Kellstedt et al. |
6142010 | November 7, 2000 | Merck et al. |
6691564 | February 17, 2004 | Anderberg |
7139422 | November 21, 2006 | Hauck et al. |
D691501 | October 15, 2013 | Schulz et al. |
Type: Grant
Filed: Oct 25, 2012
Date of Patent: May 13, 2014
Assignee: Shimadzu Corporation (Kyoto)
Inventors: Hiroshi Muraoka (Kyoto), Kazuhiro Matsushita (Osaka)
Primary Examiner: Antoine D Davis
Application Number: 29/435,530