IP Library › Granted Patent US 5,855,778
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US 5,855,778 · App. 08/908,171

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Inventors: David J. Hutchison, Alan G. Smith
Patented Case View Patent ↗
Granted: Jan 5, 1999 Filed: Aug 7, 1997
Inventors
David J. Hutchison
Alan G. Smith
Assignee (at issue)
William R. Perrin Ontario Ltd.

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Quick Facts
Patent No.
US 5,855,778
App. No.
08/908,171
Filed
1997-08-07
Granted
1999-01-05
Kind
A