Measuring – testing – or signalling instruments – Security or signal instrument or casing – Element or attachment
Patent
1989-08-08
1991-10-15
Burke, Wallace R.
Measuring, testing, or signalling instruments
Security or signal instrument or casing
Element or attachment
D10104
Patent
active
D03207609
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U.S. Patent Application Entitled: "Sonic Web Break Detector"; Ser. No. 390,783; filed 8/8/89; Inventor: Gnuechtel et al.
Burke Wallace R.
Jackson Marcus
Web Printing Controls Co. Inc.,
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