Illinois — Patent Inventors 1997

Top Cities in Illinois 1997

Rank	City	Patents	Inventors
#1	Chicago, IL	606	426
#2	Edwardsville, IL	325	20
#3	Naperville, IL	271	193
#4	Peoria, IL	193	112
#5	Libertyville, IL	149	83
#6	Palatine, IL	142	88
#7	Arlington Heights, IL	136	96
#8	Schaumburg, IL	125	86
#9	Rockford, IL	113	90
#10	Barrington, IL	104	54
#11	Evanston, IL	97	70
#12	Buffalo Grove, IL	94	61
#13	Northbrook, IL	90	54
#14	Hoffman Estates, IL	83	55
#15	Gurnee, IL	83	49
#16	Wilmette, IL	78	34
#17	Aurora, IL	74	64
#18	Glenview, IL	73	53
#19	Vernon Hills, IL	71	43
#20	Wheaton, IL	71	49
#21	Highland Park, IL	68	43
#22	Des Plaines, IL	66	49
#23	Elgin, IL	65	42
#24	Downers Grove, IL	65	57
#25	Crystal Lake, IL	64	49

Rank	Inventor	City	Company	Patents
1	Donald E. Weder	Edwardsville	Southpac Trust International	190
2	Joseph G. Straeter	Edwardsville	Southpac Trust International	91
3	William F. Straeter	Carlyle	Southpac Trust International	28
#4	Albert L. Nagele	Wilmette	Motorola	21
#5	Daniel W. Norbeck	Lindenhurst	Abbott	20
#6	Dale J. Kempf	Libertyville	Abbott	18
#7	Gary W. Grube	Barrington Hills	Cleversafe	17
#8	Richard A. Mueller	Glencoe	G.D. Searle	16
#9	Chen Zhao	Gurnee	Abbott	15
#9	James E. Audia	Chicago	Eli Lilly	15
#11	E. H. Weder	Edwardsville	Southpac Trust International	13
#11	Syamal K. Ghosh	Elk Grove Village	Eastman Kodak	13
#13	Adam J. Gudat	Chillicothe	Caterpillar	11
#13	Leonid Soren	Lincolnwood	Motorola	11
#15	Michael Thuma	La Grange	Suncast Technologies	10
#15	Manian Ramesh	Barrington	Nalco Chemical	10
#15	Richard I. Brown	Northbrook	Baxter International	10
#15	Craig Scherer	Evanston	Brk Brands	10
#19	Dennis D. Feucht	Morton	Caterpillar	9
#19	Gary J. Sgrignoli	Rantoul	Zenith Electronics	9
#19	Richard M. Weier	Lake Bluff	G.D. Searle	9
#19	Gregory Holderfield	Palatine	Duracraft	9
#23	Carl A. Kemner	Peoria Heights	Caterpillar	8
#23	Phillip E. Lindeman	Roselle	Motorola	8
#23	Karl W. Kleimenhagen	Peoria	Caterpillar	8