IP Library › Granted Patent US 5,902,411
Granted Patent Utility
US 5,902,411 · App. 08/704,291

Method for maintaining floors

Inventors: Todd A. Williams, Richard A. Williams
Patented Case View Patent ↗
Granted: May 11, 1999 Filed: Aug 28, 1996
Inventors
Todd A. Williams
Richard A. Williams
Assignee (at issue)
Economics in Technology

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Quick Facts
Patent No.
US 5,902,411
App. No.
08/704,291
Filed
1996-08-28
Granted
1999-05-11
Kind
A