Self-evacuating vacuum cleaner
A Standard patent application filed on 11 July 1997 credited to Berfield, Robert C.
;
Seasholtz, Craig A.
;
Crevling, Robert L.
;
Buss, Randy L.
Details
Application number :
36578
Application type :
Standard
Application status :
SEALED
Under opposition :
No
Proceeding type :
Invention title :
Self-evacuating vacuum cleaner
Inventor :
Berfield, Robert C.
;
Seasholtz, Craig A.
;
Crevling, Robert L.
;
Buss, Randy L.