Granted Patent
Utility
US 5,508,028 · App. 08/124,549
Homogeneous cosmetic stick products
Inventor:
John R. Berschied
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Sep 22, 1993
Inventor
John R. Berschied
Assignee (at issue)
Church & Dwight Co., 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.