Inventor

ALLEY RAYMOND L

2 patents

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

MESTEK INC

1 patent

US4887641ADec 19, 1989

Modified parallel blade damper for an air handling system

MESTEK INC13 citations65

AMERICAN WARMING VENTILATION

1 patent

US3963070AJun 15, 1976

Condition controlling air flow damper

AMERICAN WARMING VENTILATION12 citations61