Pacifica, California
United States
4
2024-02-15
The entities that hold a legal rights for patent applications filed by inventor Kolbe Walter R.:
Walter R. Kolbe from Pacifica, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Geothermal heat harvesters
#2 | 2022-11-17Geothermal heat harvesters
#3 | 2021-10-28GEOTHERMAL HEAT HARVESTERS
#4 | 2018-09-27Geothermal heat harvesters
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