Ralph Michalka — 1 Patent at Johnson Controls Technology

Ralph Michalka has been granted 1 US patent while listed as an inventor at Johnson Controls Technology. All of these patents were granted in 2015. Ralph Michalka ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Ralph Michalka in Düsseldorf, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
9004602	Latching device for a head restraint	Martin Gottwald, Jan Stransky, Mikulas Ptasinsky, Michael E. Martinka, Daniel Schmitt	2015-04-14	$56,685,000