GF

Gerrit Frens

U.S. Philips: 6 patents #699 of 8,851Top 8%
Overall (All Time): #893,168 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
4999906 Method of manufacturing a sealed electrochemical cell Johann R. G. C. M. Van Beek 1991-03-19
4943500 Sealed electrochemical cell Johann R. G. C. M. Van Beek 1990-07-24
4939342 Electric steam iron with separately heated sole plate and steam chamber Gregorius T. M. Neelen, Franciscus N. M. Trines, Marjoleine H. Van Nieuwkasteele 1990-07-03
4783384 Electrochemical cell Johann R. G. C. M. Van Beek 1988-11-08
4702978 Electrochemical cell Jacobus Johannes Franciscus Gerardus Heuts 1987-10-27
4207614 Magnetic bubble shift register store 1980-06-10