Inventor

NAUMAN MARGARET M

US2 patents

Patents

2 patents

US5240760AAug 31, 1993

Polysiloxane treated roofing granules

MINNESOTA MINING & MFG113 citations95

US5368936ANov 29, 1994

Granular materials including a ceramic coating which reduces dusting, method of preparing same and method of reducing dust generation

MINNESOTA MINING & MFG5 citations60