Granted Patent
Utility
US 6,173,500 · App. 09/374,275
Sealing plug as part of a rubber boot
Inventor:
Martin C. Feldmann
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Aug 13, 1999
Inventor
Martin C. Feldmann
Assignee (at issue)
S-B Power Tool 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.