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The ornamental design for a portable ultra-filter for industrial waste fluids, as shown and described. |
FIG. 1 is a top perspective of a portable ultra filter for industrial waste fluids showing my new design, on a reduced scale, the broken lines are shown for illustrative purposes only and form no part of the claimed design;
FIG. 2 is a top perspective view thereof, on an enlarged scale;
FIG. 3 is a front elevational view thereof, on a greatly enlarged scale;
FIG. 4 is a side elevational view thereof, on a greatly enlarged scale;
FIG. 5 is a top plan view thereof, on a greatly enlarged scale; and
FIG. 6 is a rear elevational view thereof, on a greatly enlarged scale.
The side views of the portable ultra-filter for industrial waste fluids not shown are mirror images of the side views that are shown.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Oct 11 1988 | Sanborn, Inc. | (assignment on the face of the patent) | / | |||
Oct 19 1988 | SANBORN, GEORGE W | SANBORN, INC , 25 COMMERCIAL DR , WRENTHAM, MA 02093, | ASSIGNMENT OF ASSIGNORS INTEREST | 004993 | /0294 | |
Oct 25 1997 | SANBORN, INC | WATERLINK, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 008773 | /0410 |
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