Inventor

BLUM RICHARD F

US2 patents

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

MET COIL SYSTEMS CORP

1 patent

US7681297B2Mar 23, 2010

Duct fastseam

MET COIL SYSTEMS CORP10 citations78

TOBEN JOHN J

1 patent

US8459307B2Jun 11, 2013

Duct fastseam

TOBEN JOHN J0 citations39