Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Hand manipulated tool or instrument
Design Patent
2001-05-04
2001-09-18
Simmons, Ian (Department: 2914)
Medical and laboratory equipment
Equipment for diagnosis, analysis, or treatment
Hand manipulated tool or instrument
Design Patent
active
D0448081
CLAIM:
The ornamental design for a retractor for heart valve surgery, substantially as shown and described.
REFERENCES:
patent: D. 422705 (2000-04-01), Koros et al.
patent: D. 430294 (2000-08-01), Nathanson et al.
patent: D. 443359 (2001-06-01), Nathanson et al.
patent: 2374863 (1945-05-01), Guttmann
patent: 5339801 (1994-08-01), Poloyko et al.
patent: 6074343 (2000-06-01), Nathanson et al.
Koros Gabriel J.
Koros Tibor B.
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