Patent
   D284001
Priority
Sep 06 1983
Filed
Sep 06 1983
Issued
May 27 1986
Expiry
May 27 2000
Assg.orig
Entity
unknown
2
9
n/a
The ornamental design for a twist-lock spark plug, substantially as shown and described.

FIG. 1 is a perspective view of a twist-lock spark plug of my new design.

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 3 is a top plan view thereof.

Harris, Floyd D.

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