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DOCKBOARD
US 3,440,673 A
Filed
: 02/15/1968
Issued
: 04/29/1969
Est. Priority Date
: 02/15/1968
Status: Expired due to Term
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Current Assignee
Garrett P. Kelley
Original Assignee
Garrett P. Kelley
Inventors
Kelley, Garrett P.
Application Number
US04/705,776
Time in Patent Office
439 Days
Field of Search
US Class Current
14/71.3
CPC Class Codes
B65G 69/2858
with weight counterbalancin...
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