|
The ornamental design for a double blade valvulotome, as shown and described. |
FIG. 1 is a bottom right side perspective view of a double blade valvulotome showing my new design, the shaft is shown broken in the center to indicate indeterminate length;
FIG. 2 is a front, top and left side perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a right side elevational view thereof;
FIG. 8 is a left side elevational view thereof;
FIG. 9 is a rear bottom right side perspective view thereof, with the blades shown in extended position; and,
FIG. 10 is a front top side perspective view thereof.
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Jan 27 1993 | Olympus Optical Co., Ltd. | (assignment on the face of the patent) | / | |||
Mar 12 1993 | SAITO, TATSUYA | OLYMPUS OPTICAL CO , LTD | ASSIGNMENT OF ASSIGNORS INTEREST | 006491 | /0468 | |
Mar 12 1993 | SAITO, TATSUYA | OLYMPUS OPTICAL CO , LTD | TO CORRECT A PREVIOUSLY RECORDED ASSIGNMENT AT REEL 6491 FRAME 468 | 006653 | /0913 |
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