IP Library › Granted Patent US 4,834,787
Granted Patent Utility
US 4,834,787 · App. 07/034,275

Phosphate rock utilization

Inventors: Jerome S. Ratliff, Ladislav J. Pircon
Patented Case View Patent ↗
Granted: May 30, 1989 Filed: Apr 3, 1987
Inventors
Jerome S. Ratliff
Ladislav J. Pircon
Assignee (at issue)
Dolores R. Pircon

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Quick Facts
Patent No.
US 4,834,787
App. No.
07/034,275
Filed
1987-04-03
Granted
1989-05-30
Kind
A