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The ornamental design for a bulk material handling apparatus, substantially as shown. |
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FIG. 1 is a front elevational view of a bulk material handling _apparatus showing our new design;
FIG. 2 is a view in side elevation thereof;
FIG. 3 is a view in side elevation thereof showing the side opposite that seen in FIG. 2;
FIG. 4 is a view in rear elevation thereof; and
FIG. 5 is a view in top plan thereof.
The bottom view, being substantially devoid of ornamentation, is not shown.
Christianson, Roy O., Christianson, Ted T.
| Patent | Priority | Assignee | Title |
| 4846605, | Aug 12 1987 | CHRISTIANSON SYSTEMS, INC , A MN CORP | Pneumatic grain conveyor with universal frame |
| 4887936, | Aug 12 1987 | Christianson Systems, Inc.; CHRISTIANSON SYSTEMS, INC | Cyclone separator with accelerator plate for pneumatic conveyor |
| 4913597, | Aug 12 1987 | Christianson Systems, Inc.; CHRISTIANSON SYSTEMS, INC , A CORP OF MN | Silencer for pneumatic grain conveyor |
| 5163786, | Aug 12 1987 | Christianson Systems, Inc. | Cyclone separator with filter assembly for pneumatic conveyor |
| 5322098, | Mar 13 1992 | Christianson Systems, Inc. | Apparatus and method for conveyance of flowable solid materials |
| Patent | Priority | Assignee | Title |
| 2230425, | |||
| 2557344, | |||
| 2946626, | |||
| 3583910, | |||
| 3697005, | |||
| 3790986, | |||
| 3885376, | |||
| GB7552OF, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Jul 16 1981 | CHRISTIANSON, ROY O | CHRISTIANSON EVACUATOR SERVICE, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 003901 | /0323 | |
| Jul 16 1981 | CHRISTIANSON, TED T | CHRISTIANSON EVACUATOR SERVICE, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 003901 | /0323 | |
| Jul 21 1981 | Christianson Systems, Inc. | (assignment on the face of the patent) | / | |||
| Jul 26 1981 | CHRISTIANSON EVACUATOR SERVICE, INC | CHRISTIANSON SYSTEMS, INC | CHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE NOV 10, 1980 | 003938 | /0037 |
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