documentclass[letterpaper, 10 pt, conference]{ieeeconf}  % Comment this line out if you need a4paper

IEEEoverridecommandlockouts                              % This command is only needed if
                                                          % you want to use the thanks command
overrideIEEEmargins                                      % Needed to meet printer requirements.

usepackage{graphics} % for pdf, bitmapped graphics files
usepackage{epsfig} % for postscript graphics files
usepackage{mathptmx} % assumes new font selection scheme installed
usepackage{times} % assumes new font selection scheme installed
usepackage{amsmath} % assumes amsmath package installed
usepackage{amssymb}  % assumes amsmath package installed

newtheorem{thm}{Theorem}[section]
newtheorem{lem}[thm]{Lemma}
newtheorem{prop}[thm]{Proposition}
newtheorem{cor}{Corollary}
newtheorem{defn}{Definition}[section]
newtheorem{conj}{Conjecture}[section]
newtheorem{exmp}{Example}[section]
newtheorem{rem}{Remark}

title{LARGE bf
My Title*
}

author{Guy$^{1}$
thanks{*This work was not supported by any organization}% <-this % stops a space
thanks{$^{1}$Guy is with Hell,
        {ttsmall guy@hell.edu}}%
}

begin{document}

maketitle
thispagestyle{empty}
pagestyle{empty}

begin{abstract}

ABSTRACT

end{abstract}

section{INTRODUCTION}


begin{thm}
My theorem is blaw.
proof Here is the proof.
end{thm}

begin{lem}
My lemma is blaw.
proof Here is the proof.
end{lem}

begin{defn}
Look at my definition.
end{defn}

begin{thebibliography}{99}

bibitem{c1} G. O. Young, ÒSynthetic structure of industrial plastics (Book style with paper title and editor),Ó    in Plastics, 2nd ed. vol. 3, J. Peters, Ed.  New York: McGraw-Hill, 1964, pp. 15Ð64.


end{thebibliography}

end{document}

begin{thm}
My theorem is blaw.
proof Here is the proof.
end{thm}

begin{thm}
My theorem is blaw.
end{thm}
begin{proof}
Here is the proof.
end{proof}

documentclass[letterpaper, 10pt, conference]{IEEEconf}

usepackage{graphicx}
usepackage{mathptmx}
usepackage{amsmath}
usepackage{amssymb}
usepackage{amsthm}

renewcommand{qedsymbol}{$blacksquare$}

newtheorem{thm}{Theorem}[section]
newtheorem{lem}[thm]{Lemma}
newtheorem{prop}[thm]{Proposition}
newtheorem{cor}{Corollary}
newtheorem{conj}{Conjecture}[section]
theoremstyle{definition}
newtheorem{defn}{Definition}[section]
newtheorem{exmp}{Example}[section]
newtheorem{rem}{Remark}

title{My Title*}

author{Guy$^{1}$
thanks{*This work was not supported by any organization}% <-this % stops a space
thanks{$^{1}$Guy is with Hell, {ttsmall guy@hell.edu}}%
}

begin{document}

maketitle
thispagestyle{empty}
pagestyle{empty}

begin{abstract}

ABSTRACT

end{abstract}

section{INTRODUCTION}


begin{thm}
My theorem is blaw.
end{thm}
begin{proof}
Here is the proof.
end{proof}

begin{lem}
My lemma is blaw.
end{lem}
begin{proof}
Here is the proof.
end{proof}

begin{defn}
Look at my definition.
end{defn}

begin{thebibliography}{99}

bibitem{c1} G. O. Young, ÒSynthetic structure of industrial plastics (Book style with paper title and editor),Ó    in Plastics, 2nd ed. vol. 3, J. Peters, Ed.  New York: McGraw-Hill, 1964, pp. 15Ð64.


end{thebibliography}

end{document}