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Device controlling the light passing through the glass roof of a conservatory
US 3,016,801 A
Filed
: 11/12/1959
Issued
: 01/16/1962
Est. Priority Date
: 11/12/1959
Status: Expired due to Term
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Current Assignee
Michel Kaspar
Original Assignee
Michel Kaspar
Inventors
Kaspar, Michel
Application Number
US03/852,328
Time in Patent Office
796 Days
Field of Search
US Class Current
359/886
CPC Class Codes
A01G 9/22
Shades or blinds for greenh...
Y02A 40/25
Greenhouse technology, e.g....
Y10T 137/6969
Buildings
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