Granted Patent
Utility
US 4,544,922 · App. 06/437,114
Smoothing circuit for display apparatus
Inventors:
Toshiaki Watanabe, Toshifumi Uenishi, Hiroshi Sahara, Katsumi Yamaoka
Patented Case
View Patent ↗
Granted: Oct 1, 1985
Filed: Oct 27, 1982
Inventors
Toshiaki Watanabe
Toshifumi Uenishi
Hiroshi Sahara
Katsumi Yamaoka
Assignee (at issue)
SONY GROUP 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.