United States
6
2018-12-20
The entities that hold a legal rights for patent applications filed by inventor Hall David R.:
David R. Hall from , US has applied for patents for these inventions. The list has both pending applications and granted patents:
AUTOMATED TRACKING-NUMBER BASED ADMINISTRATION OF ACCESS CODES
#2 | 2018-10-11Redundant network system
#3 | 2018-10-04SYSTEM AND METHOD FOR DETECTING POTENTIALLY UNAUTHORIZED ACCESS TO AN ENCLOSURE
#4 | 2018-10-04RETRACTABLE PRIVACY SYSTEM AND METHOD
#5 | 2015-12-03Pull cord with integrated charging port
#6 | 2008-06-12Apparatus for responding to an anomalous change in downhole pressure
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