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US3391629A
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Reversible floor mounted register
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US3378199A
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Register for heating and air conditioning
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US3121383A
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Locking means for heating and air conditioning registers and the like
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US2935926A
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Register for heating and air conditioning systems
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US2834281A
|
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Air outlet register
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US2740348A
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Outlet damper assembly
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US2761372A
|
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Rotary key operated register
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US2761371A
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Removable lever operated register
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US2768571A
|
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Air diffusing base register
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US1643863A
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Register-front fastener
|
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US1558518A
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Register-damper-operating device
|
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US1588375A
|
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Warm-air-register damper operator
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US1509572A
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Warm-air register
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US1256489A
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Warm-air-register border.
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US1163383A
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Register-slat operator.
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CA840126A
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Floor mountable register for heating and air conditioning (cooling) duct systems
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CA699230A
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Locking means for heating and air conditioning registers and the like
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CA535332A
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Outlet damper assembly
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CA312655A
|
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Damper pin
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CA650904A
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Register for heating and air conditioning systems
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