Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Apparatus for manufacturing multi-layered concrete roof tiles

Apparatus for manufacturing multi-layered concrete roof tiles

US Patent 4986744 · Granted Jan 22, 1991

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Method and controller for creating and optimizing flexible, top-quality cam-disk2004
Method and apparatus for the manufacture of roof covering plates having a transv1992
Method and apparatus for the manufacture of roof covering plates having a transv1992
Process for the marking of carrierless polymeric membranes and asymmetric carrie1984
Attic window assembly1983