Granted Patent
Utility
US 4,032,274 · App. 05/665,529
Linear apparatus for high speed production of air-laid non-woven webs
Inventors:
Marion Frank Troy, Ewald A. Kamp
Patented Case
View Patent ↗
Granted: Jun 28, 1977
Filed: Mar 10, 1976
Inventors
Marion Frank Troy
Ewald A. Kamp
Assignee (at issue)
Union Carbide Corporation
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.