Vision tester

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Information

Patent Grant
D348931

References
Source

Patent Number
D348,931
Date Filed
Monday, November 9, 1992
32 years ago
Date Issued
Tuesday, July 19, 1994
30 years ago

Inventors
- Jonathan G. Torrey
Original Assignees
- Prio Co. Incorporated
Examiners
- Reid; Stella
Agents
- Marger, Johnson, McCollom & Stolowitz

US Classifications
- D24 - Medical and laboratory equipment
Field of Search
- US
- 351 243
- 351 244
- 351 246
- 351 232
- 351 233
- 351 239
- 351 240
- 351 203
- 351 200
- D24 172
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a vision tester, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
D298457	Minkin et al.	Nov 1988
D342317	Orlinsky et al.	Dec 1993
4764007	Task	Aug 1988
4998820	Salibello	Mar 1991

Continuation in Parts (2)

	Number	Date	Country
Parent	665902	Mar 1991
Parent	282596	Dec 1988