Number | Name | Date | Kind |
---|---|---|---|
D259660 | Sosnay | Jun 1981 | |
4836781 | Meinershagen | Jun 1989 | |
5127833 | Kline | Jul 1992 | |
5501597 | Wilson | Mar 1996 |
Entry |
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Hu-Friedy Colours Dental Instrument Catalog in Dutch, published before filing date of patent application (Jul. 31, 1996). |
American Eagle Dental Instrument Catalog, published before filing date of patent application (Jul. 31, 1996). |
Number | Date | Country | |
---|---|---|---|
Parent | 57771 | Jul 1996 |