Granted Patent
Utility
US 5,828,795 · App. 08/937,389
Sealing device for use in a motor
Inventors:
Toshihiko Miyakoshi, Masato Gomyo, Toshihiro Kobayashi, Masamichi Hayakawa, Hirofusa Shirai, Kenji Hanabusa
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Sep 25, 1997
Inventors
Toshihiko Miyakoshi
Masato Gomyo
Toshihiro Kobayashi
Masamichi Hayakawa
Hirofusa Shirai
Kenji Hanabusa
Assignee (at issue)
Sankyo Seiki Mfg. 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.