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Comminuting pumps
US 3,417,929 A
Filed
: 02/08/1966
Issued
: 12/24/1968
Est. Priority Date
: 02/08/1966
Status: Expired due to Term
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Current Assignee
Ralph T. Secrest
Original Assignee
Ralph T. Secrest
Inventors
Secrest, Ralph T.
Application Number
US04/534,268
Time in Patent Office
1,050 Days
Field of Search
US Class Current
241/46.04
CPC Class Codes
B02C 18/0092
for waste water or for garbage
F04D 29/2288
for comminuting, mixing or ...
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