Seattle, Washington
United States
3
2021-01-07
The entities that hold a legal rights for patent applications filed by inventor Walker Robert:
Robert Walker from Seattle, US has applied for patents for these inventions. The list has both pending applications and granted patents:
CPR chest compression system periodically reminding attendant to check patient
#2 | 2015-03-19Multi-function video system with interchangeable medical tool
#3 | 2011-03-24Volume adjustment based on listener position
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