USD92779S - Design for a visual acuity testing - Google Patents
Design for a visual acuity testing Download PDFInfo
- Publication number
- USD92779S USD92779S US D92779 S USD92779 S US D92779S
- Authority
- US
- United States
- Prior art keywords
- visual acuity
- design
- acuity testing
- projector
- testing
- Prior art date
Links
- 230000004304 visual acuity Effects 0.000 title description 8
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Description
July 10, 1934.
H. E. TENSEN Des. 92,779 VISUAL ACUITY TESTING PROJECTOR Filed Jan. 31, 1934 dkwamdz 5 90 2?. 27emnw- Patented July 10, 1934 UNITED STATES Des. 92,779
PATENT OFFICE DESIGN FOR A VISUAL ACUITY TESTING PROJECTOR Hugo E. Tensen, Dayton, Ohio, assignor of onehalf to Arthur P. Iowa.
Wheelock, Des Moines,
Application January 31, 1934, Serial No. 50,564
Term of patent 7 years a base and a lens tube which can be used in connection with the projector; and
Figure 2 is a detail perspective view taken from the rear of the projector, showing the projector per se.
I claim:
The ornamental design for a visual acuity testing projector, substantially as shown and described.
HUGO E. TENSEN.
Family
ID=
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