Powell River
Canada
2
2020-12-24
The entities that hold a legal rights for patent applications filed by inventor Askgaard Ivan:
Ivan Askgaard from Powell River, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Submarine Cable Control by Use of Variable Specific Gravity and Diameter Cables and/or External Forces for Cables Used with Cable-Propelled Marine Vessels
#2 | 2010-09-16PROPULSION SYSTEM AND METHOD FOR A CABLE FERRY
2942109 ⎘