Granted Patent
Utility
US 4,828,581 · App. 07/115,463
Low inlet gas velocity high throughput biomass gasifier
Inventors:
Herman Feldmann, Mark A. Paisley
Patented Case
View Patent ↗
Granted: May 9, 1989
Filed: Oct 30, 1987
Inventors
Herman Feldmann
Mark A. Paisley
Assignee (at issue)
Battelle Development Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.