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AU158870B2 - Improved ear protector for excluding sound - Google Patents

Improved ear protector for excluding sound

Info

Publication number
AU158870B2
AU158870B2 AU21703/53A AU2170353A AU158870B2 AU 158870 B2 AU158870 B2 AU 158870B2 AU 21703/53 A AU21703/53 A AU 21703/53A AU 2170353 A AU2170353 A AU 2170353A AU 158870 B2 AU158870 B2 AU 158870B2
Authority
AU
Australia
Prior art keywords
ear protector
improved ear
excluding sound
excluding
sound
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU21703/53A
Other versions
AU2170353A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Laura Frances Wilson
Original Assignee
Laura Frances Wilson
Filing date
Publication date
Application filed by Laura Frances Wilson filed Critical Laura Frances Wilson
Application granted granted Critical
Publication of AU2170353A publication Critical patent/AU2170353A/en
Publication of AU158870B2 publication Critical patent/AU158870B2/en
Expired legal-status Critical Current

Links

AU21703/53A 1953-09-24 Improved ear protector for excluding sound Expired AU158870B2 (en)

Publications (2)

Publication Number Publication Date
AU2170353A AU2170353A (en) 1954-07-08
AU158870B2 true AU158870B2 (en) 1954-07-08

Family

ID=

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