IP Library › Granted Patent US 5,509,769
Granted Patent Utility
US 5,509,769 · App. 08/321,553

Barbed light weight concrete fastener and plate

Inventors: Paul M. Larson, Donald H. Egan
Patented Case View Patent ↗
Granted: Apr 23, 1996 Filed: Oct 12, 1994
Inventors
Paul M. Larson
Donald H. Egan
Assignee (at issue)
ILLINOIS TOOL WORKS INC.

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Quick Facts
Patent No.
US 5,509,769
App. No.
08/321,553
Filed
1994-10-12
Granted
1996-04-23
Kind
A