FJ

Frank T. John

AB Ato Bv: 2 patents #6 of 49Top 15%
UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #1,306,672 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4583365 Reticulated electrothermal fluid motor 1986-04-22
4419650 Liquid contact relay incorporating gas-containing finely reticular solid motor element for moving conductive liquid 1983-12-06
4296399 Microminiature palladium oxide gas detector and method of making same 1981-10-20
4193964 Microminiature palladium oxide gas detector and method of making same 1980-03-18