Crystallization furnace for dental prostheses
- Olympus
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Description
FIG. 1 is a front elevational view of a crystallization furnace for dental prostheses showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof; and,
FIG. 7 is a front isometric view thereof.
Referenced Cited
Patent History
Patent number: D335537
Type: Grant
Filed: Jan 23, 1991
Date of Patent: May 11, 1993
Assignees: Olympus Optical Company, Ltd. (Tokyo), Denken Co., Ltd. (Kyoto)
Inventors: Yasuharu Hakamatsuka (Tokyo), Kazuhiro Watanabe (Tokyo), Mamoru Aihara (Tokyo), Manabu Takahashi (Tokyo), Toshio Shimizu (Kyoto)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Carroll F. Palmer
Application Number: 7/645,279
Type: Grant
Filed: Jan 23, 1991
Date of Patent: May 11, 1993
Assignees: Olympus Optical Company, Ltd. (Tokyo), Denken Co., Ltd. (Kyoto)
Inventors: Yasuharu Hakamatsuka (Tokyo), Kazuhiro Watanabe (Tokyo), Mamoru Aihara (Tokyo), Manabu Takahashi (Tokyo), Toshio Shimizu (Kyoto)
Primary Examiner: Wallace R. Burke
Assistant Examiner: M. H. Tung
Attorney: Carroll F. Palmer
Application Number: 7/645,279
Classifications
Current U.S. Class:
Dental (46) (D24/176)