FT

Friedrich X. Thoma

DF Dieter Grasslin Feinwerktechnik: 4 patents #2 of 8Top 25%
📍 Lenzkirch, DE: #17 of 44 inventorsTop 40%
Overall (All Time): #1,306,344 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4588304 Program carrier for switching chronometer systems 1986-05-13
4564827 Programmable control for a switching chronometer Gerd Kammerer 1986-01-14
4558192 Multi-range timer switch device 1985-12-10
4549154 Magnetically retentive programmable switching control device 1985-10-22