Inventor

CALLAHAN JOSEPH P JR

US2 patents

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

3M INNOVATIVE PROPERTIES CO

1 patent

US6127002AOct 3, 2000

Method of magnetically and/or electrostatically positioning pressure-sensitive adhesive beads and magnetically positionable pressure-sensitive adhesive beads

3M INNOVATIVE PROPERTIES CO26 citations90

MINNESOTA MINING & MFG

1 patent

US5599618AFeb 4, 1997

Method of magnetically and/or electrostatically positioning pressure-sensitive adhesive beads and magnetically positionable pressure-sensitive

MINNESOTA MINING & MFG13 citations71