Granted Patent
Utility
US 4,241,689 · App. 05/887,659
Coating apparatus
Inventors:
Shigeru Kobayashi, Takemasa Namiki, Tsutomu Iwamoto
Patented Case
View Patent ↗
Granted: Dec 30, 1980
Filed: Mar 17, 1978
Inventors
Shigeru Kobayashi
Takemasa Namiki
Tsutomu Iwamoto
Assignee (at issue)
Konishiroku Photo Industry Co., Ltd.
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.