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Alignment device for trailer
US 3,418,628 A
Filed
: 08/23/1965
Issued
: 12/24/1968
Est. Priority Date
: 08/23/1965
Status: Expired due to Term
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26 Citations
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Current Assignee
Donaldson Fenner George
Original Assignee
Donaldson Fenner George
Inventors
DONALDSON FENNER GEORGE
Application Number
US04/481,824
Time in Patent Office
1,219 Days
Field of Search
US Class Current
340/431
CPC Class Codes
B60D 1/36
for facilitating connection...
G08B 5/36
using visible light sources
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