Event	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99
Experiment	X
First U.S. patent pending		X	X	X	X	X	X	X	X
DOE I&I project						$	$	$
Second U.S. patent pending						X	X	X	X	X
Canadian patent pending							X	X	X	X	X	X	X
Japanese patent pending							X	X	X	X	X	X	X	X	X	X
Third U.S. patent pending										X	X	X	X
Patents licensed to TN										$	$	$
Reissue of first U.S. patent pending											X	X	X	X	X	X	X
USDA Phase I & II												$			$	$
Reissue of second U.S. patent pending												X	X	X	X	X	X	X	X
R&D 100 Award													X
Fourth U.S. patent pending													X	X	X
Fifth U.S. patent pending													X	X	X
DARPA Phase I														$
Sixth U.S. patent pending														X	X	X	X
Patents licensed to RI																	X	$	$

Legend: X = money out, $ = money in