FK

Fritz R. Kruis

CI Coburn Optical Industries: 3 patents #10 of 46Top 25%
GO Gerber Coburn Optical: 1 patents #11 of 32Top 35%
📍 Tulsa, OK: #479 of 2,344 inventorsTop 25%
🗺 Oklahoma: #2,630 of 12,736 inventorsTop 25%
Overall (All Time): #1,279,827 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6071176 Gauge for and method of calibrating a lens cutting/grinding machine 2000-06-06
5928063 Pneumatically assisted unidirectional arcuate diaphragm conformal tool Michael D. James 1999-07-27
5762546 Pneumatically assisted conformal tool for an ophthalmic lens finer/polisher Michael D. James 1998-06-09
5662518 Pneumatically assisted unidirectional conformal tool Michael D. James 1997-09-02