Inventor

L ESPERANCE ANDRE

CA3 patents

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

ALUMAX INC

1 patent

US5748750AMay 5, 1998

Method and apparatus for active noise control of high order modes in ducts

ALUMAX INC24 citations87

L ESPERANCE ANDRE

1 patent

US8116461B2Feb 14, 2012

Sound volume automatic adjustment method and system

L ESPERANCE ANDRE14 citations76

SOFT DB INC

1 patent

US7460675B2Dec 2, 2008

Auto-adjusting sound masking system and method

SOFT DB INC14 citations75