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Jean-Francois Schwab

QA Quarz-Zeit Ag: 2 patents #1 of 2Top 50%
📍 Schwalbach, DE: #3 of 7 inventorsTop 45%
Overall (1982): #12,130 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4340828 Single phase stepping motor Roland Sudler 1982-07-20
4315328 Battery-driven clock with indicator of the end of life of the battery 1982-02-09