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The ornamental design for dental prophylaxis angle, as shown. |
FIG. 1 is a view in perspective of a dental prophylaxis angle in accordance with my design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thererof;
FIG. 4 is a view in left hand elevation thereof;
FIG. 5 is a view in right hand elevation thereof;
FIG. 6 is a view in front elevation thereof; and,
FIG. 7 is a view in rear elevation thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Jul 11 1995 | BAILEY, RONALD L | Young Dental Manufacturing Company | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 007566 | /0284 | |
Jul 18 1995 | Young Dental Manufacturing Company, Inc. | (assignment on the face of the patent) | / | |||
Jul 22 1996 | Young Dental Manufacturing Company | BOATMEN S NATIONAL BANK OF ST LOUIS, THE | ASSIGNMENT & SECURITY AGREEMENT | 008167 | /0709 | |
Oct 05 2001 | Young Dental Manufacturing Company | Young Dental Manufacturing Company 1 LLC | MERGER SEE DOCUMENT FOR DETAILS | 012935 | /0369 |
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