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The ornamental design for an igniter for gas discharge pipes, as shown and described. |
FIG. 1 is a perspective view of an igniter for gas discharge pipes,showing our new design; _
FIG. 2 is an end elevational view thereof, shown on an enlarged scale;
FIG. 3 is an elevational view of one side thereof;
FIG. 4 is an elevational view of another side thereof;
FIG. 5 is an elevational view of the end opposite that shown in FIG. 2, shown on an enlarged scale.
Guerra, Romeo E., Nelson, Robert H.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
May 26 1981 | Nova Patents of North America, Inc. | (assignment on the face of the patent) | / | |||
Dec 31 1981 | GUERRA, ROMEO E | NOVA PATENTS OF NORTH AMERICA, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 003944 | /0597 | |
Dec 31 1981 | NELSON, ROBERT H | NOVA PATENTS OF NORTH AMERICA, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 003944 | /0597 |
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