Inventor

HAAS JOHN F

3 patents

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

EXCELLO SPEC CO

1 patent

US4420520ADec 13, 1983

Area coated paint mask and method

EXCELLO SPEC CO81 citations94

EXCELLO SPECIALITY COMPANY

1 patent

US4313970AFeb 2, 1982

Method of masking a workpiece for painting

EXCELLO SPECIALITY COMPANY33 citations89

EXCELLO SPECIALITY CO

1 patent

US4425182AJan 10, 1984

Blending tape dispenser

EXCELLO SPECIALITY CO43 citations84