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on 18 May 1998
PRODUCTIZATION, INC.
74036418 · 09 Mar 1990
004
solid fuels made from biomass and coal for use in industrial boilers a...
on 11 Jun 1997
PRODUCTIZATION, INC.
75049996 · 29 Jan 1996
011
furnace coupled with a dryer for supplying heat to the dryer,furnace c...
on 08 May 1996
PRODUCTIZATION, INC.
74658240 · 10 Apr 1995
011
furnace coupled with a dryer for supplying heat to the dryer,No claim ...
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