Granted Patent
Utility
US 6,062,113 · App. 09/264,038
Pneumatically operated screw driver having mechanism for assisting separation of screw from screw band
Inventors:
Yoshihiro Nakano, Isamu Tanji
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Mar 8, 1999
Inventors
Yoshihiro Nakano
Isamu Tanji
Assignee (at issue)
Hitachi Koki 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.