Pro-Bono services are designed to assist financially under-resourced independent inventors and small businesses. Pro-bono assistance is available, to be considered and apply go to

Patent attorneys and agents
Registered Patent Attorneys/Agents

Patent and Trademark Resource Center
The Free Library of Philadelphia, Philadelphia

The Carnegie Library of Pittsburgh, Pittsburgh

PAMS Library, Pennsylvania State University, University Park

Inventor Organizations

American Society of Inventors

Attorneys General
1600 Strawberry Square
Harrisburg PA 17120