General Patent Information: The Patent and Trademark Office in Washington D. C. has a vast amount of information written for inventors.
Search over 7 million patents here!
|The Patent and Trademark Office maintains a list of attorneys who have passed a special exam in the area of patent law. You will find Walter Tencza, Jr. in the listing|
- What are the advantages of registering your Copyright?
- Form letters and Copyright Information Circulars