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AGGREGATE METERING AND SPREADING SYSTEM
US 3,519,169 A
Filed
: 11/24/1967
Issued
: 07/07/1970
Est. Priority Date
: 11/24/1967
Status: Expired due to Term
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Current Assignee
Holland, John H.
Original Assignee
Holland, John H.
Inventors
Holland, John H.
Application Number
US04/685,645
Time in Patent Office
956 Days
Field of Search
US Class Current
222/626
CPC Class Codes
E01C 19/202
solely rotating, e.g. disch...
E01C 19/21
for simultaneously but sepa...
E01C 2019/209
with transverse auger
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