IP Library › Granted Patent US 4,800,633
Granted Patent Utility
US 4,800,633 · App. 07/071,148

Method of making a water level control device

Inventors: Thomas M. Buckshaw, David T. Llewellyn
Patented Case View Patent ↗
Granted: Jan 31, 1989 Filed: Jul 8, 1987
Inventors
Thomas M. Buckshaw
David T. Llewellyn
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED

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Quick Facts
Patent No.
US 4,800,633
App. No.
07/071,148
Filed
1987-07-08
Granted
1989-01-31
Kind
A