St. John's
Canada
4
2021-06-24
The entities that hold a legal rights for patent applications filed by inventor Bonnell David:
David Bonnell from St. John's, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Electric field sensor with sensitivity-attenuating ground ring
#2 | 2018-12-06Apparatus and method of detecting breaches in pipelines
#3 | 2018-06-07Apparatus and method of monitoring for in-flight aircraft engine ice crystal accretion
#4 | 2015-02-12Apparatus and method of monitoring for matter accumulation on an aircraft surface
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