IP Library › Granted Patent US 6,540,423
Granted Patent Utility
US 6,540,423 · App. 09/952,977

Method and apparatus for applying mastic or granular material to a roofing surface

Inventors: William E. Kugler, Stephen J. Knight, III
Patented Case View Patent ↗
Granted: Apr 1, 2003 Filed: Sep 14, 2001
Inventors
William E. Kugler
Stephen J. Knight, III

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Quick Facts
Patent No.
US 6,540,423
App. No.
09/952,977
Filed
2001-09-14
Granted
2003-04-01
Kind
B1