Issued Patents All Time
Showing 176–185 of 185 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5432130 | Opalescent glass | Wolfram Hoeland, Martin Frank | 1995-07-11 |
| 5426134 | Dental material | Ulrich Salz, Peter Burtscher | 1995-06-20 |
| 5393516 | Modified chlorhexidine adduct | Ulrich Salz, Peter Burtscher | 1995-02-28 |
| 5383752 | Apparatus for making dental replacements | Gary Unterbrink, Cosmas Malin, Harry L. Sawatzki | 1995-01-24 |
| 5360340 | Process for producing dental restorations and a positive working model for implementing the process | Viktor Moldaschl | 1994-11-01 |
| 5354785 | Polymerizable dental materials | Ulrich Salz, Kurt Grabher | 1994-10-11 |
| 5304369 | Chlorohexidine adduct and method of preparing same | Ulrich Salz, Peter Burtscher | 1994-04-19 |
| 5102461 | Process for the optical distinction of a dental material and dental material for said process | Ulrich Salz, Gilbert Ott | 1992-04-07 |
| 4933202 | Method of improving the adhesion of plastics to metals in dental prostheses | Peter Wollwage, Gerhard Zanghellini | 1990-06-12 |
| 4629746 | Radiopaque dental materials | Rudolf J. Michl, Gilbert Ott | 1986-12-16 |