Stephen D. Szarkowski — 3 Patents at Portec

Stephen D. Szarkowski has been granted 3 US patents while listed as an inventor at Portec. The first was granted in 1994 and the most recent in January 2010. Stephen D. Szarkowski ranks #1,328,092 of 4,157,543 US inventors in our database (top 31.9%). Patent records list Stephen D. Szarkowski in Wichita, KS, US.

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Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
7650979	Ball transfer device	Rodney R. Mishmash, David M. Pruett, Raymond D. Middlemiss, Ernest L. Klemm	2010-01-26
7584840	Strip belt conveyor	Rodney R. Mishmash, Thomas Harding, Steve DiOrio	2009-09-08
5348139	Counter-balanced pressure sensor for conveyor accumulation zone	Steven K. Beeny, Arthur D. May	1994-09-20

Stephen D. Szarkowski — 3 Patents

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