Inventor

HARTLEY MICHAEL W

US4 patents

⚠️ This page may combine multiple inventors who share the name “HARTLEY MICHAEL W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ILLINOIS TOOL WORKS

2 patents

US5096158AMar 17, 1992

Oil drain valve assembly

ILLINOIS TOOL WORKS76 citations92

US9765966B2Sep 19, 2017

Ignition switch assembly

ILLINOIS TOOL WORKS4 citations71

(unassigned)

1 patent

US5813899ASep 29, 1998

Game call and method

17 citations79

TEGEL ROBERT G

1 patent

US8173924B2May 8, 2012

Dual function switch assembly

TEGEL ROBERT G12 citations76