IP Library › Granted Patent US 5,234,547
Granted Patent Utility
US 5,234,547 · App. 07/855,808

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Inventors: Paul Knight, Ulrich Welkener
Patented Case View Patent ↗
Granted: Aug 10, 1993 Filed: Mar 23, 1992
Inventors
Paul Knight
Ulrich Welkener
Assignee (at issue)
W.R. Grace & Co. Conn.

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Quick Facts
Patent No.
US 5,234,547
App. No.
07/855,808
Filed
1992-03-23
Granted
1993-08-10
Kind
A