US Patent Issued to Oldcastle Infrastructure on Jan. 28 for "Manhole urethane mold and method of producing the same" (Minnesota Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,208,546, issued on Jan. 28, was assigned to Oldcastle Infrastructure Inc. (Atlanta).

"Manhole urethane mold and method of producing the same" was invented by Jacob Nohl (Hancock, Minn.), Alec Gausman (Hancock, Minn.) and Craig Knochenmus (Hancock, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Process and mold embodiments are described herein for creating polyurethane molds that allow for the production of manhole bases."

The patent was filed on Oct. 1, 2020, under Application No. 17/061,542.

*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnet...