Granted Patent
Utility
US 4,359,443 · App. 06/183,102
Venting arrangement for matched molds and method
Inventor:
Nathaniel E. Michaels
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Sep 2, 1980
Inventor
Nathaniel E. Michaels
Assignee (at issue)
Fiber Glass Tooling & Specialties
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.