Flat Rock, Michigan
United States
4
2021-08-05
The entities that hold a legal rights for patent applications filed by inventor Butler Michael:
Michael Butler from Flat Rock, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Cut resistant knife
#2 | 2021-07-22Hydraulic displacement mechanism and method of use
#3 | 2021-02-04Manhole guard and attachable winch mount
#4 | 2016-12-29Manhole guard and attachable hoist device
1749014 ⎘