Granted Patent
Utility
US 5,373,210 · App. 08/027,028
Motor brush spring subassembly
Inventors:
Mark E. Baer, R. Lent Crevling, Jr., Melvin E. Wolfe, Jr.
Patented Case
View Patent ↗
Granted: Dec 13, 1994
Filed: Mar 5, 1993
Inventors
Mark E. Baer
R. Lent Crevling, Jr.
Melvin E. Wolfe, Jr.
Assignee (at issue)
SHOP VAC 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.