Dual viewer attachment for a microscope

Feb 24, 1976 - American Optical Corporation

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Description

FIG. 1 is a top perspective view of a dual viewer attachment for a microscope showing my new design;

FIG. 2 is a bottom perspective view thereof.

Referenced Cited

U.S. Patent Documents

1360735	November 1920	Mazuel
3582178	June 1971	Boughton et al.
3895854	July 1975	Ziffer

Patent History

Patent number: D247245
Type: Grant
Filed: Feb 24, 1976
Date of Patent: Feb 14, 1978
Assignee: American Optical Corporation (Southbridge, MA)
Inventor: John T. Armbruster (Niagara Falls, NY)
Primary Examiner: Bernard Ansher
Attorney: William C. Nealon
Application Number: 5/660,968

Classifications

Current U.S. Class: D16/83
International Classification: D1606;