Number | Name | Date | Kind |
---|---|---|---|
D129474 | Forsman | Sep 1941 | |
D229606 | Zarson | Apr 1971 | |
D342098 | Wolff | Dec 1993 | |
4033057 | Jaffe | Jul 1977 | |
4662094 | Jaffe | May 1987 |
Entry |
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Product literature entitled "Tycos Harvey Elite Cardiology Stethoscope", (1 page). |
Product literature entitled "NEW from 3M Littmann.TM., Special Edition stethoscope", (2 page), .COPYRGT.1993. |
Product literature entitled "3M Littman.TM. Stethoscope", (6 pages), .COPYRGT.1993. |
Number | Date | Country | |
---|---|---|---|
Parent | 13976 | Oct 1993 |