IP Library Granted Patent US 4,648,521
Granted Patent Utility
US 4,648,521 · App. 06/867,120

Composite metal and plastic tank

Inventors: Larry D. Thomas, David L. Waltke, Gary Gibson
Patented Case View Patent ↗
Granted: Mar 10, 1987 Filed: May 27, 1986
Inventors
Larry D. Thomas
David L. Waltke
Gary Gibson
Assignee (at issue)
Hoover Limited

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Quick Facts
Patent No.
US 4,648,521
App. No.
06/867,120
Filed
1986-05-27
Granted
1987-03-10
Kind
A