David Hartman — 1 Patent in 2017

Saranac, MI: #1 of 2 inventorsTop 50%

Michigan: #3,372 of 9,630 inventorsTop 40%

Overall (2017): #449,874 of 506,227Top 90%

1 Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
9603496	Toilet seat assembly	—	2017-03-28