|
| US3934348 | 2 Jan 1975 | 27 Jan 1976 | | Method of forming a porcelain crown |
| US3981723 | 26 Jun 1974 | 21 Sep 1976 | Pennwalt Corporation | White gold alloy |
| US4010048 | 24 Dec 1974 | 1 Mar 1977 | Howmedica, Inc. | Bonding agent for fusing porcelain to nonprecious metal alloy |
| US4046732 | 9 Jan 1975 | 6 Sep 1977 | | Dispersant for the application of dental ceramic |
| US4062676 | 6 Jul 1976 | 13 Dec 1977 | Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler | Gold alloy for firing on porcelain for dental purposes |
| US4064311 | 9 Jul 1975 | 20 Dec 1977 | National Research Development Corporation | Production of metal-ceramic articles |
| US4125442 | 10 Sep 1976 | 14 Nov 1978 | | Artificial teeth construction |
| US4135935 | 31 Jan 1977 | 23 Jan 1979 | Ernst Leitz Wetzlar GmbH | Sintered composite material, a process of making same, and a method of using same |
| US4181757 | 17 Jan 1978 | 1 Jan 1980 | | Process for surface coating gold alloys onto a metallic substrate to enhance corrosion protection |
| US4326889 | 9 Oct 1979 | 27 Apr 1982 | W. C. Heraeus GmbH | Dental composition from gold particles, terpineol and ethyl cellulose |
| US4392829 | 31 Mar 1981 | 12 Jul 1983 | | Metal-porcelain dental restoration and method of making |
| US4427501 | 24 Aug 1981 | 24 Jan 1984 | | Method of manufacture of artificial teeth |
| US4468251 | 17 Aug 1981 | 28 Aug 1984 | Degussa Aktiengesellschaft | Gold containing preparation for coating metallic parts (II) |
| US4576922 | 9 Jan 1985 | 18 Mar 1986 | The Regents of the University of Michigan | High expansion dental crown core ceramic composition |
| US4997723 | 14 Feb 1990 | 5 Mar 1991 | Tanaka Dental Enterprises | Metal-porcelain dental restorations, dental veneers, dental bridges and metal foil for use therein and methods for making dental appliances |
| US5186626 | 22 May 1991 | 16 Feb 1993 | Asami Tanaka Dental Enterprises | Metal-porcelain dental bridges |
| US5491034 | 18 Nov 1994 | 13 Feb 1996 | Nippon Steel Corporation | Bonding wire for semiconductor element |
| US5562733 | 29 Mar 1994 | 8 Oct 1996 | Dentsply G.m.b.H. | Dental ceramic, coated titanium prosthesis |
| US6342182 | 14 Dec 1999 | 29 Jan 2002 | Metalor Technologies International SA | Nickel-free grey gold alloy |
| US6787102 | 12 Nov 2001 | 7 Sep 2004 | Metalor Technologies International SA | Nickel-free grey gold alloy |