CA651460A - Acoustical devices - Google Patents

Acoustical devices

Info

Publication number
CA651460A
CA651460A CA651460A CA651460DA CA651460A CA 651460 A CA651460 A CA 651460A CA 651460 A CA651460 A CA 651460A CA 651460D A CA651460D A CA 651460DA CA 651460 A CA651460 A CA 651460A
Authority
CA
Canada
Prior art keywords
acoustical devices
acoustical
devices
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
CA651460A
Inventor
William W. Haerther, Jr.
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.)
Hawley Products Co
Original Assignee
Hawley Products Co
Publication date
Application granted granted Critical
Publication of CA651460A publication Critical patent/CA651460A/en
Expired legal-status Critical Current

Links

CA651460A Acoustical devices Expired CA651460A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA651460T

Publications (1)

Publication Number Publication Date
CA651460A true CA651460A (en) 1962-10-30

Family

ID=35940104

Family Applications (1)

Application Number Title Priority Date Filing Date
CA651460A Expired CA651460A (en) Acoustical devices

Country Status (1)

Country Link
CA (1) CA651460A (en)

Similar Documents

Publication Publication Date Title
CA651460A (en) Acoustical devices
CA654712A (en) Well devices
CA639161A (en) Structures
CA628907A (en) Acoustical devices
CA637286A (en) Acoustical ceiling
CA645101A (en) Loudspeaker construction
CA638403A (en) Transducers
CA642622A (en) Transducers
CA645861A (en) Connecting devices
CA639449A (en) Sound producing devices
AU264215B2 (en) Transducer
AU276553B2 (en) Electric -pineumatic transducer
CA646167A (en) Transducer
CA649596A (en) Transducer
CA648528A (en) Backseating construction
CA647197A (en) Construction set
CA653089A (en) Vibrator
AU249546B2 (en) Vibrator
CA643759A (en) Vibrator
CA652405A (en) Bag-tying apparatuses
CA648053A (en) Acoustical tile
CA646504A (en) Earphone
AU262840B2 (en) Ferrosilicon-alloy
AU265684B2 (en) Chromenols
CA650755A (en) Measuring-tape