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The ornamental design for a rotary spool valve, as shown and described. |
FIG. 1 is a top perspective view of a rotary spool valve showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right end elevational view thereof;
FIG. 6 is a bottom plan view thereof; and
FIG. 7 is a left side elevational view thereof.
Austin, Jr., George K., Nelson, Jr., Charles A.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jan 05 1989 | AUSTIN, GEORGE K JR | A-DEC, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005028 | /0653 | |
Jan 05 1989 | NELSON, CHARLES A JR | A-DEC, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005028 | /0653 | |
Jan 23 1989 | A-Dec, Inc. | (assignment on the face of the patent) | / |
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