Title:
Baffle partitioned capsule for door operators
United States Patent 3036256


Inventors:
Purdy, Frederick A.
Application Number:
US79893059A
Publication Date:
05/22/1962
Filing Date:
03/12/1959
Assignee:
Purdy, Frederick A.
Primary Class:
Other Classes:
49/25, 250/237R, 318/446
International Classes:
E05F15/20
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