Sheldon Lefkowitz — 5 Patents at Pentek

Sheldon Lefkowitz has been granted 5 US patents while listed as an inventor at Pentek. The first was granted in 1990 and the most recent in August 1995. Sheldon Lefkowitz ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Sheldon Lefkowitz in Dorpsstraat, PA, US.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
5440476	System for positioning a work point in three dimensional space	Donald M. Youngwirth, Gerald E. Gore, Harry T. Roman	1995-08-08
5408407	System and method for positioning a work point	Donald M. Youngwirth, Gerald E. Gore, Harry T. Roman	1995-04-18
5037159	Apparatus for collecting and packaging hazardous particulate materials	Victor H. Nutter, Howard G. Baker	1991-08-06
4969311	Collecting and packaging hazardous particulate materials	Victor H. Nutter, Howard G. Baker	1990-11-13
4940289	Scabbler for scabbling floors contaminated with hazardous materials	Stephen A. Trovato, Robert Eckert	1990-07-10

Sheldon Lefkowitz — 5 Patents

Issued Patents All Time

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