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The ornamental design for an internal combustion engine, as shown. |
FIG. 1 is a top perspective view of an internal combustion engine showing our new design with the end of the exhaust pipe broken away for convenience of illustration;
FIG. 2 is a front perspective view thereof;
FIG. 3 is a bottom perspective view thereof;
FIG. 4 is a rear perspective view thereof;
FIG. 5 is a left side perspective view thereof, it being understood that the right side is substantially a mirror image of the left side shown herein; and
FIG. 6 is a top, front perspective view thereof.
Everts, Robert G., Schramm, Buford J.
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Patent | Priority | Assignee | Title |
3545414, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 31 1990 | SCHRAMM, BUFORD J | NETHERWOOD, JOHN | ASSIGNMENT OF ASSIGNORS INTEREST | 005411 | /0481 |
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