United States patent: US 8,175,423 Filtered Fiber Optic Probe

United States patent: US 8,432,542 Fiber Optic Probes Utilizing Grin Lenses for Spatially Precise Optical Spectroscopy

United States patent: US 8,702,321 Filtered Fiber Optic Probe

United States patent: US 11,460,640 Fiber Optic Probe Having Components and Features that Improve Performance

United States Patent: US 9,733,123 Multi-Fiber Optical Connector Assembly that Includes an Optical Connector and a Connector Housing

United States patent: US 10,459,191 Spectrometer Having a Variable Focus Lens with a Single Air Gap

United States patent: US 10,823,934 Spectrometers Having a Variable Focus Lens with a Single Air Gap

United States patent: US 11,269,158 Spectrometers Having a Variable Focus Lens with a Single Air Gap