Inventor

CALVO MARTIN

US3 patents

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

CALVO MARTIN

2 patents

US8074685B2Dec 13, 2011

One-way valve with flapper for vacuum bag

CALVO MARTIN13 citations79

US8328421B2Dec 11, 2012

Push-down compressible pouch with one-way valves on sides

CALVO MARTIN2 citations57

ILLINOIS TOOL WORKS

1 patent

US7967166B2Jun 28, 2011

Reclosable storage bag attached to container by removable retainer ring

ILLINOIS TOOL WORKS5 citations54