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The ornamental design for a fluid flow control valve, substantially as shown and described. |
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FIG. 1 is a top plan view of a fluid flow control valve showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a right side elevational view thereof; and
FIG. 6 is a left side elevational view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 20 1981 | IMI Mouldings Limited | (assignment on the face of the patent) | / | |||
| Sep 06 1983 | HIGGINS, DAVID F | IMI MOULDNGS LIMITED, A CORP OF GREAT BRITAIN | ASSIGNMENT OF ASSIGNORS INTEREST | 004186 | /0571 | |
| Oct 01 1989 | OPELLA MOULDINGS LIMITED | OPELLA HOLDINGS LIMITED | ASSIGNMENT OF ASSIGNORS INTEREST | 005333 | /0439 | |
| Apr 04 1990 | OPELLA MOULDING LIMITED | OPELLA TAPS LIMITED | CHANGE OF NAME SEE DOCUMENT FOR DETAILS JULY 14, 1989 - UNITED KINGDOM | 005333 | /0447 |
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