Heyl; Lawrence Frederick

Patent Applications and Registrations

Patent applications and USPTO patent grants for Heyl; Lawrence Frederick.The latest application filed is for "systems and methods for coordinating and administering self tests of smart home devices having audible outputs".

Company Profile

1.7.7

Heyl; Lawrence Frederick - Mountain View CA
Heyl; Lawrence Frederick - Colchester VT

*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
Systems and methods for coordinating and administering self tests of smart home devices having audible outputs Grant 10,380,878 - Warren , et al. A	2019-08-13
Device with precision frequency stabilized audible alarm circuit Grant 10,121,333 - Warren , et al. November 6, 2	2018-11-06
Systems And Methods For Coordinating And Administering Self Tests Of Smart Home Devices Having Audible Outputs App 20180197404 - Warren; Daniel Adam ; et al.	2018-07-12
Systems and methods for self-administering a sound test Grant 9,953,516 - Warren , et al. April 24, 2	2018-04-24
Systems and methods for coordinating and administering self tests of smart home devices having audible outputs Grant 9,898,922 - Warren , et al. February 20, 2	2018-02-20
Systems and methods for coordinating and administering self tests of smart home devices having audible outputs Grant 9,886,843 - Warren , et al. February 6, 2	2018-02-06
Device With Precision Frequency Stabilized Audible Alarm Circuit App 20180033258 - Warren; Daniel Adam ; et al.	2018-02-01
Device With Precision Frequency Stabilized Audible Alarm Circuit App 20170193762 - Warren; Daniel Adam ; et al.	2017-07-06
Systems And Methods For Coordinating And Administering Self Tests Of Smart Home Devices Having Audible Outputs App 20160364977 - Warren; Daniel Adam ; et al.	2016-12-15
Systems And Methods For Coordinating And Administering Self Tests Of Smart Home Devices Having Audible Outputs App 20160364978 - Warren; Daniel Adam ; et al.	2016-12-15
Systems And Methods For Self-administering A Sound Test App 20160343242 - Warren; Daniel Adam ; et al.	2016-11-24
Systems and methods for coordinating and administering self tests of smart home devices having audible outputs Grant 9,454,893 - Warren , et al. September 27, 2	2016-09-27
Methods and systems for implementing a Digital-to-Analog Converter Grant 7,358,884 - Heyl , et al. April 15, 2	2008-04-15
Methods And Systems For Implementing A Digital-to-analog Converter App 20080084343 - Heyl; Lawrence Frederick ; et al.	2008-04-10

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