Bibliography Details

Questar Corporation. 2001. Stereoscopic, Long-distance Microscope. U.S. Patent 6,256,143 B1, filed February 19, 1999, and issued July 3, 2001. https://patents.google.com/patent/US6256143B1.

The following is a complete listing of all citations using this source:

Conclusion: Questar in the 21st Century

• Citation No. 1

Timeline

• Citation No. 2
• Citation No. 3