Inventor

DUEMMEL KARL-HEINZ

DE2 patents

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

STIHL MASCHF ANDREAS

1 patent

US4142607AMar 6, 1979

Silencer, especially for portable motor chain saws

STIHL MASCHF ANDREAS58 citations92

BOYSEN FRIEDRICH GMBH CO KG

1 patent

US5146052ASep 8, 1992

Muffler for internal-combustion engine exhaust gases and method of assembly thereof

BOYSEN FRIEDRICH GMBH CO KG9 citations66