Kramer; L. Jonathan

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kramer; L. Jonathan.The latest application filed is for "ultrasonic method for material monitoring".

Company Profile

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Kramer; L. Jonathan - Warminster PA
Kramer; L. Jonathan - Devon PA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Ultrasonic method for material monitoring Grant 5,987,994 - Maltby , et al. November 23, 1	1999-11-23
Ultrasonic method for material monitoring Grant 5,760,309 - Maltby , et al. June 2, 1	1998-06-02
Coating responsive material condition monitoring system Grant 5,539,670 - Maltby , et al. July 23, 1	1996-07-23
Error compensating instrument system with digital communications Grant 5,510,779 - Maltby , et al. April 23, 1	1996-04-23
Continuous condition sensing system determining liquid level by admittance measurement Grant 5,045,797 - Kramer , et al. * September 3, 1	1991-09-03
Multiple set point condition monitoring systems Grant 4,799,174 - Kramer , et al. January 17, 1	1989-01-17
RF Admittance apparatus and method for monitoring the contents of a pipe Grant 4,568,874 - Kramer , et al. February 4, 1	1986-02-04
Admittance sensing probe having multiple sensing elements Grant 4,208,909 - Maltby , et al. June 24, 1	1980-06-24
Admittance measuring system for monitoring the condition of materials Grant 3,993,947 - Maltby , et al. November 23, 1	1976-11-23

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