Inventor

PEARMAIN DOUGLAS S

US4 patents

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

MANVILLE CORP

2 patents

US4866898ASep 19, 1989

Fire resistant expansion joint

MANVILLE CORP120 citations94

US4848044AJul 18, 1989

Expansion joint cover

MANVILLE CORP51 citations89

LAROCHE ALLAN R

1 patent

US4977719ADec 18, 1990

Fire resistant expansion joint

LAROCHE ALLAN R46 citations90

SCHULLER INT INC

1 patent

US5269110ADec 14, 1993

Flexible closure system for use in building construction

SCHULLER INT INC11 citations66