CA758721A - Proximity alarm - Google Patents

Proximity alarm

Info

Publication number
CA758721A
CA758721A CA758721A CA758721DA CA758721A CA 758721 A CA758721 A CA 758721A CA 758721 A CA758721 A CA 758721A CA 758721D A CA758721D A CA 758721DA CA 758721 A CA758721 A CA 758721A
Authority
CA
Canada
Prior art keywords
proximity alarm
alarm
proximity
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
CA758721A
Inventor
W. Volberg Herman
R. Winters Daniel
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.)
CRANE PRODUCTS MANUFACTURING Co
Original Assignee
CRANE PRODUCTS MANUFACTURING Co
Publication date
Application granted granted Critical
Publication of CA758721A publication Critical patent/CA758721A/en
Expired legal-status Critical Current

Links

CA758721A Proximity alarm Expired CA758721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA758721T

Publications (1)

Publication Number Publication Date
CA758721A true CA758721A (en) 1967-05-09

Family

ID=36195824

Family Applications (1)

Application Number Title Priority Date Filing Date
CA758721A Expired CA758721A (en) Proximity alarm

Country Status (1)

Country Link
CA (1) CA758721A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6853307B2 (en) 2002-03-14 2005-02-08 Irvin H. Nickerson High voltage proximity warning system and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6853307B2 (en) 2002-03-14 2005-02-08 Irvin H. Nickerson High voltage proximity warning system and method

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