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The ornamental design for a portable air abrasion system, as shown and described. |
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FIG. 1 is a side perspective view of a portable air abrasion system showing my new design;
FIG. 2 is another side perspective view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a side view thereof;
FIG. 6 is a rear view thereof;
FIG. 7 is a side view thereof showing the side opposite that shown in FIG. 5; and,
FIG. 8 is a front view thereof.
Brassil, John Michael, Lake, John Andrew, Burroughs, Andrew C., Chang, Shu Kun, Fraquelli, Roberto Giovanni, Annett, David Howard Meldrum, Berry, Stephen D.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 09 2000 | FRAQUELLI, ROBERTO GIOVANNI | Dentsply Research & Development Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010937 | /0162 | |
| May 12 2000 | BRASSIL, JOHN MICHAEL | Dentsply Research & Development Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010937 | /0162 | |
| May 12 2000 | CHANG, SHU KUN | Dentsply Research & Development Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010937 | /0162 | |
| May 12 2000 | LAKE, JOHN ANDREW | Dentsply Research & Development Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010937 | /0162 | |
| Jun 02 2000 | BURROUGHS, ANDREW C | Dentsply Research & Development Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010937 | /0162 | |
| Jun 02 2000 | BERRY, STEPHEN D | Dentsply Research & Development Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010937 | /0162 | |
| Jun 09 2000 | ANNETT, DAVID HOWARD MELDRUM | Dentsply Research & Development Corp | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010937 | /0162 | |
| Jun 01 2004 | Dentsply Research & Development Corp | PDEX ACQUISITION CORPORATION | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015209 | /0440 | |
| Aug 30 2004 | PDEX ACQUISITION CORPORATION | Gendex Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015494 | /0616 |
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