Granted Patent
Utility
US 4,533,568 · App. 06/526,143
Method of preparing a patterned mold surface
Inventors:
John L. McClinton, Alexander H. Russell
Patented Case
View Patent ↗
Granted: Aug 6, 1985
Filed: Aug 24, 1983
Inventors
John L. McClinton
Alexander H. Russell
Assignee (at issue)
The Burns & Russell Company
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.