Retina chart
Description
FIG. 1 is a front elevational view of a retina chart, showing my new design; and,
FIG. 2 is a side elevational view thereof, with all other sides being identical thereto.
The rear of FIGS. 1 and 2 is plain and unornamented.
Referenced Cited
U.S. Patent Documents
| D143433 | January 1946 | Leech |
| 3025755 | March 1962 | Koetting |
Patent History
Patent number: D377528
Type: Grant
Filed: Nov 28, 1995
Date of Patent: Jan 21, 1997
Inventor: Steven A. Teich (New York, NY)
Primary Examiner: Stella Reid
Law Firm: Helfgott & Karas, P.C.
Application Number: 0/47,188
Type: Grant
Filed: Nov 28, 1995
Date of Patent: Jan 21, 1997
Inventor: Steven A. Teich (New York, NY)
Primary Examiner: Stella Reid
Law Firm: Helfgott & Karas, P.C.
Application Number: 0/47,188
Classifications
Current U.S. Class:
Ophthalmic (44) (D24/172)
