Granted Patent
Utility
US 5,492,553 · App. 08/331,262
Solubility compound fertilizer compositions
Inventors:
Richard P. Vetanovetz, Robert Bouke Peters
Patented Case
View Patent ↗
Granted: Feb 20, 1996
Filed: Oct 28, 1994
Inventors
Richard P. Vetanovetz
Robert Bouke Peters
Assignee (at issue)
OMS Investments, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.