DG

David Grupp

AS Altergy Systems: 3 patents #2 of 8Top 25%
Overall (All Time): #988,419 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10115984 Integrated recirculating open cathode fuel cell system Glen A. Garrettson, Jeremy Dabel 2018-10-30
9466847 Integrated recirculating fuel cell methods Glen A. Garrettson, Jeremy Dabel 2016-10-11
9029034 Integrated recirculating fuel cell system Glen A. Garrettson, Jeremy Dabel 2015-05-12
8439534 Mobile lighting apparatus George M. Roe, Leonard E. Klebanoff, Gerald W. Rea, Robert A. Drake, Terry A. Johnson +7 more 2013-05-14
6640742 Device for producing signal tones by means of chimes suspended from a shared oscillating carrier plate 2003-11-04