Stephen A. Johnson — 8 Patents at 3M

Issued Patents 2018

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
10099313	Linear friction welding system with phase change assembly	—	2018-10-16
10067278	Birefringent polyester film with low haze having specified Tan Delta value	Ryan T. Fabick, Edward J. Kivel, Victor Ho, Benjamin J. Bending, Christopher W. A. Krohe	2018-09-04	$33,282,000
10040272	Tear resistant multilayer film	Richard Y. Liu, John P. Purcell	2018-08-07	$40,737,000
10018762	Patterned marking of multilayer optical film by thermal conduction	Michael Benton Free, Martin B. Wolk, Rolf W. Biernath, William W. Merrill, William F. Edmonds +1 more	2018-07-10	$25,614,000
9971074	Retroreflective sheeting including a substantially amorphous polymeric layer	Reema Chatterjee, Robert F. Watkins, Bimal V. Thakkar	2018-05-15	$44,436,000
9943928	Method of operating an apparatus for linear friction welding	—	2018-04-17
9885885	Blue edge filter optical lens	Michael F. Weber, James E. Watson, Mark R. Strenger, Chad R. Wold	2018-02-06	$56,633,000
9864120	Patterned marking of multilayer optical film by thermal conduction	Michael Benton Free, Martin B. Wolk, Rolf W. Biernath, William W. Merrill, William F. Edmonds +1 more	2018-01-09	$42,794,000