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The ornamental design for a back pack frame for dental equipment, substantially as shown and described. |
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FIG. 1 is a left side elevational view of a back pack frame for dental equipment showing our new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a top plan view thereof.
The partial showing of surface shading indicating a fabric texture on the center band in FIGS. 1 and 3 is understood to be continuous over the entire surface of the band.
Mallien, Robert J., Jordan, Charles E.
| Patent | Priority | Assignee | Title |
| 4484700, | Jul 25 1980 | Device for use in carrying a child | |
| D284910, | Jan 09 1984 | Combined back pack and chair | |
| D286227, | Nov 15 1982 | Carrier for a child |
| Patent | Priority | Assignee | Title |
| 3464607, | |||
| 3797718, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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