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The ornamental design for a locking valve handle, as shown. |
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FIG. 1 is an isometric view of a valve operating handle showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a left side elevational view thereof; and,
FIG. 7 is a bottom plan view thereof.
Stewart, Robert C., Brown, Cal R., Jeromson, Jeffrey T.
| Patent | Priority | Assignee | Title |
| D749397, | Nov 26 2014 | BRADY WORLDWIDE, INC | Valve lockout device |
| Patent | Priority | Assignee | Title |
| 1578670, | |||
| 2305438, | |||
| 4934656, | Jun 08 1989 | The Boeing Company | High-pressure ball valve |
| 5052655, | Jul 18 1990 | WATTS REGULATOR CO | Ball valve lock plate |
| 5115834, | Oct 08 1991 | Neles-Jamesbury, Inc. | Valve-locking device |
| 241140, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Sep 24 1991 | BROWN, CAL R | WHITEY CO | ASSIGNMENT OF ASSIGNORS INTEREST | 005851 | /0892 | |
| Sep 24 1991 | JEROMSON, JEFFREY T | WHITEY CO | ASSIGNMENT OF ASSIGNORS INTEREST | 005851 | /0892 | |
| Sep 24 1991 | STEWART, ROBERT C | WHITEY CO | ASSIGNMENT OF ASSIGNORS INTEREST | 005851 | /0892 | |
| Sep 25 1991 | Whitey Co. | (assignment on the face of the patent) | / | |||
| Dec 28 1999 | WHITEY CO | Swagelok Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010531 | /0873 |
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