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The ornamental design for a screw clamp, as shown and described.
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FIG. 1 is a perspective view taken from the top back side of a first embodiment of a screw clamp showing my new design;
FIG. 2 is a front elevational view of the screw clamp of FIG. 1;
FIG. 3 is an elevational view of the back of the screw clamp of FIG. 1;
FIG. 4 is a plan view of the bottom of the screw clamp of FIG. 1;
FIG. 5 is a plan view of the top of the screw clamp of FIG. 1;
FIG. 6 is an elevational view of the right side of the screw clamp of FIG. 1;
FIG. 7 is an elevational view of the left side of the screw clamp of FIG. 1;
FIG. 8 is a perspective view taken from the top back side of a second embodiment thereof;
FIG. 9 is an elevational view of the front of the screw clamp of FIG. 8;
FIG. 10 is an elevational view of the back of the screw clamp of FIG. 8;
FIG. 11 is a plan view of the bottom end of the screw clamp of FIG. 8;
FIG. 12 is a plan view of the top end of the screw clamp of FIG. 8;
FIG. 13 is an elevational view of the right side of the screw clamp of FIG. 8;
FIG. 14 is an elevational view of the left side of the screw clamp of FIG. 8;
FIG. 15 is a perspective view taken from the top back side of a third embodiment thereof;
FIG. 16 is an elevational view of the front of the screw clamp of FIG. 15;
FIG. 17 is an elevational view of the back of the screw clamp of FIG. 15;
FIG. 18 is a plan view of the bottom end of the screw clamp of FIG. 15;
FIG. 19 is a plan view of the top end of the screw clamp of FIG. 15;
FIG. 20 is an elevational view of the right side of the screw clamp of FIG. 15; and,
FIG. 21 is an elevational view of the left side of the screw clamp of FIG. 15.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 09 2001 | Wolfcraft GmbH | (assignment on the face of the patent) | / | |||
| Aug 23 2001 | WOLFF, FRIEDRICH | Wolfcraft GmbH | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012562 | /0557 |
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