FS

Franz Sperner

WG W. C. Heraeus Gmbh: 3 patents #2 of 15Top 15%
Overall (1982): #2,321 of 81,411Top 3%
4
Patents 1982

Issued Patents 1982

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4359977 Heater plug for diesel engines Fritz Aldinger, Wilhelm Zwergel 1982-11-23
4358271 Method of preparing ceramic-coated dental prosthetic constructions Heidi Brink, deceased 1982-11-09
4358663 Heater plug for diesel engines Fritz Aldinger, Wilhelm Zwergel 1982-11-09
4326889 Dental composition from gold particles, terpineol and ethyl cellulose 1982-04-27