Inventor
HEYL LAWRENCE FREDERICK
US8 patents
⚠️ This page may combine multiple inventors who share the name “HEYL LAWRENCE FREDERICK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GOOGLE INC
3 patentsUS9454893B1Sep 27, 2016
Systems and methods for coordinating and administering self tests of smart home devices having audible outputs
GOOGLE INC60 citations96
US9898922B2Feb 20, 2018
Systems and methods for coordinating and administering self tests of smart home devices having audible outputs
GOOGLE INC0 citations51
US10121333B2Nov 6, 2018
Device with precision frequency stabilized audible alarm circuit
GOOGLE INC0 citations49
GOOGLE LLC
3 patentsUS10380878B2Aug 13, 2019
Systems and methods for coordinating and administering self tests of smart home devices having audible outputs
GOOGLE LLC1 citations72
US9886843B2Feb 6, 2018
Systems and methods for coordinating and administering self tests of smart home devices having audible outputs
GOOGLE LLC3 citations72
US9953516B2Apr 24, 2018
Systems and methods for self-administering a sound test
GOOGLE LLC0 citations41