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The ornamental design for a speed reducer, as shown and described.
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1. Speed reducer
2. Speed reducer
3. Speed reducer
4. Speed reducer
1. The parts shown by means of broken lines in the reproductions are not part of the claimed design; The right side view is omitted because it is a mirror image of the left side view; The bottom view is omitted because it is a mirror image of the top view;
2. The parts shown by means of broken lines in the reproductions are not part of the claimed design; The right side view is omitted because it is a mirror image of the left side view; The bottom view is omitted because it is a mirror image of the top view;
3. The parts shown by means of broken lines in the reproductions are not part of the claimed design; The right side view is omitted because it is a mirror image of the left side view; The bottom view is omitted because it is a mirror image of the top view;
4. The parts shown by means of broken lines in the reproductions are not part of the claimed design.
Kiyosawa, Yoshihide, Kimura, Hiroaki, Handa, Jun
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| Sep 09 2020 | Harmonic Drive Systems Inc. | (assignment on the face of the patent) | / | |||
| Dec 15 2020 | KIMURA, HIROAKI | HARMONIC DRIVE SYSTEMS INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 059759 | /0862 | |
| Dec 28 2020 | HANDA, JUN | HARMONIC DRIVE SYSTEMS INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 059759 | /0862 | |
| Jan 12 2021 | KIYOSAWA, YOSHIHIDE | HARMONIC DRIVE SYSTEMS INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 059759 | /0862 |
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