This page contains all the U.S. trademarks filed by David L. Haselkorn, Esq.. The list below is generated based on trademark correspondent identification information provided to the United States Patent Office (USPTO). is a free search engine of publicly available government records. does not represent correspondent listed on this page.

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Goods and Services: advertising and marketing services, namely, promoting the goods and services of others by pla...
DEAD (Circa: 1999)


Goods and Services: Providing on-line bulletin and message boards in fields of general interest, providing on-lin...
DEAD (Circa: 1999)


Goods and Services: Computer services, namely, providing a wide range of general interest information via compute...
DEAD (Circa: 1999)