Seaforth
Canada
4
2019-08-29
The entities that hold a legal rights for patent applications filed by inventor Patterson Dan:
Dan Patterson from Seaforth, CA has applied for patents for these inventions. The list has both pending applications and granted patents:
Rotary device having a circular guide ring
#2 | 2018-03-01Rotary device having a circular guide ring
#3 | 2013-08-08Oval chamber vane pump
#4 | 2013-08-08Oval chamber vane pump
376030 ⎘