Indirect ophthalmoscopy lens two piece retaining ring

Follow

Information

Patent Grant
D434498

References
Source

Patent Number
D434,498
Date Filed
Tuesday, February 9, 1999
25 years ago
Date Issued
Tuesday, November 28, 2000
24 years ago

Inventors
- Richard M. Mueller
- Donald J. Volk
Original Assignees
- VOLK OPTICAL, INC.
Examiners
- Reid; Stella
Agents
- Venable
- Kinberg; Robert

US Classifications
- D24 - Medical and laboratory equipment
Field of Search
- US
- D24 172
- 351 205
- 351 219
- 351 223
International Classifications
- 2401
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an indirect ophthalmoscopy lens two piece retaining ring, as shown and described.

US Referenced Citations (4)

Number	Name	Date	Kind
D357319	Volk	Apr 1995
4913545	Volk	Apr 1990
5255025	Volk	Oct 1993
5784147	Volk	Jul 1998