Medical and laboratory equipment – Equipment for diagnosis – analysis – or treatment – Ophthalmic
Design Patent
1998-11-04
2001-03-06
Reid, Stella (Department: 2914)
Medical and laboratory equipment
Equipment for diagnosis, analysis, or treatment
Ophthalmic
Design Patent
active
D0438621
CLAIM:
We claim the ornamental design for an indirect ophthalmoscopy lens retaining ring, as shown and described.
REFERENCES:
patent: D. 357319 (1995-04-01), Volk
patent: 4913545 (1990-04-01), Volk
patent: 4934809 (1990-06-01), Volk
patent: 5255025 (1993-10-01), Volk
patent: 5589896 (1996-12-01), Mainster et al.
patent: 5784147 (1998-07-01), Volk
Mueller Richard M.
Volk Donald A.
Kinberg Robert
Reid Stella
Venable
Volk Optical Inc.
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