IP Library › Granted Patent US 4,896,382
Granted Patent Utility
US 4,896,382 · App. 07/279,919

Automatic toilet bowl cleaner with a metered dispensing of cleaning composition

Inventors: John Sokol, Peter J. Mackinson
Patented Case View Patent ↗
Granted: Jan 30, 1990 Filed: Dec 5, 1988
Inventors
John Sokol
Peter J. Mackinson
Assignee (at issue)
BLOCK DRUG COMPANY INC.

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Quick Facts
Patent No.
US 4,896,382
App. No.
07/279,919
Filed
1988-12-05
Granted
1990-01-30
Kind
A