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INTERLOCKING BUILDING SIDING UNIT
US 3,520,099 A
Filed
: 09/16/1968
Issued
: 07/14/1970
Est. Priority Date
: 09/16/1968
Status: Expired due to Term
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Current Assignee
Lee H. Mattes
Original Assignee
Lee H. Mattes
Inventors
Mattes, Lee H.
Application Number
US04/759,852
Time in Patent Office
666 Days
Field of Search
US Class Current
52/531
CPC Class Codes
E04F 13/0864
composed of superposed elem...
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