Martha's Vineyard, Massachusetts
United States
3
2021-07-15
The entities that hold a legal rights for patent applications filed by inventor Preston Mark:
Mark Preston from Martha's Vineyard, US has applied for patents for these inventions. The list has both pending applications and granted patents:
AXIAL FIELD ROTARY ENERGY DEVICE HAVING PCB STATOR AND VARIABLE FREQUENCY DRIVE
#2 | 2021-05-13Axial field rotary energy device with PCB stator having interleaved PCBS
#3 | 2021-05-06Axial field rotary energy device having PCB stator and variable frequency drive
5073764 ⎘