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The ornamental design for an indirect ophthalmoscopy lens two piece retaining ring, as shown and described. |
FIG. 1 is a side elevational view of an unattached indirect ophthalmoscopy lens retaining ring, showing the new design according to a first embodiment;
FIG. 2 is a side elevational view of the attached indirect ophthalmosopy lens retaining ring, showing the new design according to the first embodiment;
FIG. 3 is a cross-sectional view taken along line 3--3 of FIG. 2 where the indirect ophthalmoscopy lens is clearly shown;
FIG. 4 is an end elevational view taken from the right of FIG. 2;
FIG. 5 is an end elevational view taken from the left of FIG. 2;
FIG. 6 is a side elevational of an unattached indirect ophthalmoscopy lens retaining ring, showing the new design according to a second embodiment;
FIG. 7 is a side elevational view of the attached indirect ophthalmoscopy lens retaining ring, showing the new design according to a second embodiment;
FIG. 8 is a cross-sectional view taken along line 8--8 of FIG. 7 where the indirect ophthalmoscopy lens is clearly shown;
FIG. 9 is an end elevational view taken from the right of FIG. 7; and,
FIG. 10 is an end elevational view taken from the left of FIG. 7.
Volk, Donald A., Mueller, Richard M.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 26 1999 | VOLK, DONALD A | VOLK OPTICAL, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009761 | /0636 | |
Feb 01 1999 | MUELLER, RICHARD M | VOLK OPTICAL, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 009761 | /0636 | |
Feb 09 1999 | Volk Optical, Inc. | (assignment on the face of the patent) | / |
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