Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for manufacture of fresnel lenses

Process for manufacture of fresnel lenses

US Patent 5870233 · Granted Feb 9, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Support system for mounting a medical device2022
Articulated assembly for pipelines2019
Coupling arrangement for pipelines2018
Coated sheet-like plastic material with reduced tendency to colonization by alga2015
Method for producing a thermoplastic plastic film, film and use thereof2012
Method and device for regulating pressure in a single-screw degassing extruder o2006
Solid body with microstructured surface2006
Optically isotrophic polycarbonate films and a method for the production thereof2006
Polycarbonate composite material which can be thermoplastically shaped, methods 2005
Plastic composites and process for their manufacture2004
Plastic composites made from incompatible plastics2004
Plastic composites made from incompatible plastics2004