About this document
Patent Dispute: Concrete Transport Methods by Scribd Government Docs is a document available to read on EtoBox.
This document summarizes a Supreme Court case involving the validity and alleged infringement of a patent. It discusses the history and claims of the patent as well as prior art in the field. The Court concludes that the patent does not disclose any novelty or invention over prior devices that used air pressure to transport granular and plastic materials through pipes. Key elements of the patented device like a hopper shape and introducing air behind material were individually shown in prior patents.
- Author
- Scribd Government Docs
- Language
- EN