Inventor

BRANDT GREGORY

US2 patents

⚠️ This page may combine multiple inventors who share the name “BRANDT GREGORY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LETTS JOHN

1 patent

US8453390B2Jun 4, 2013

High density polyurethane and polyisocyanurate construction boards and composite boards

LETTS JOHN19 citations83

FIRESTONE BUILDING PROD CO LLC

1 patent

US9221234B2Dec 29, 2015

High density polyurethane and polyisocyanurate construction boards and composite boards

FIRESTONE BUILDING PROD CO LLC0 citations46