Inventor
LETTKEMAN DENNIS M
US9 patents
Patents
9 patentsUS7767019B2Aug 3, 2010
Gypsum products utilizing a two-repeating unit dispersant and a method for making them
UNITED STATES GYPSUM CO56 citations97
US7932308B2Apr 26, 2011
Modifiers for gypsum slurries and method of using them
UNITED STATES GYPSUM CO17 citations92
US7776462B2Aug 17, 2010
Gypsum products utilizing a two-repeating unit dispersant and a method of making them
UNITED STATES GYPSUM CO24 citations92
US7608347B2Oct 27, 2009
Modifiers for gypsum slurries and method of using them
UNITED STATES GYPSUM CO17 citations92
US7572329B2Aug 11, 2009
Method of making a gypsum slurry with modifiers and dispersants
UNITED STATES GYPSUM CO47 citations92
US7572328B2Aug 11, 2009
Fast drying gypsum products
UNITED STATES GYPSUM CO25 citations91
US8343273B1Jan 1, 2013
Method of modifying beta stucco using diethylene-triamine-pentaacetic acid
UNITED STATES GYPSUM CO13 citations83
US7504165B2Mar 17, 2009
High strength flooring compositions
UNITED STATES GYPSUM CO12 citations82
US10260241B2Apr 16, 2019
Resilient wallboard mounting channel accommodating standard fasteners
UNITED STATES GYPSUM CO6 citations64