Inventor
GUERRA MARIO
7 patents
⚠️ This page may combine multiple inventors who share the name “GUERRA MARIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FRANCESVILLE DRAIN TILE CORP
3 patentsUS4104774AAug 8, 1978
Apparatus for applying filter to a drainage tubing
FRANCESVILLE DRAIN TILE CORP24 citations77
US4003122AJan 18, 1977
Apparatus and method for applying filter to a drainage tubing
FRANCESVILLE DRAIN TILE CORP31 citations77
US4089108AMay 16, 1978
Filter sleeve stuffing machine
FRANCESVILLE DRAIN TILE CORP0 citations47