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FLOOR CONDITIONER
US 3,540,072 A
Filed
: 08/03/1964
Issued
: 11/17/1970
Est. Priority Date
: 08/03/1964
Status: Expired due to Term
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Current Assignee
Alfred F. Ernstberger
,
Frederick J. Ritter
,
Gilbert R. Wolter
Original Assignee
Alfred F. Ernstberger
,
Frederick J. Ritter
,
Gilbert R. Wolter
Inventors
Wolter, Gilbert R.
,
Ernstberger, Alfred F.
,
Ritter, Frederick J.
Application Number
US04/386,845
Time in Patent Office
2,297 Days
Field of Search
US Class Current
15/320
CPC Class Codes
A47L 11/305
the tools being disc brushes
A47L 11/4016
specially adapted for colle...
A47L 11/4038
Disk shaped surface treatin...
A47L 11/4044
Vacuuming or pick-up tools;...
A47L 11/4088
Supply pumps; Spraying devi...
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