De Witt, IA All Time

398 patents  ·  103 inventors

Ranked #6,934 of 111,555 cities Top 7%

Showing 1–50 of 103 inventors

Rank Inventor Primary Company Patents
1 Richard L. Antrim Grain Processing 40
2 Ronald A. Zimmer Custom-Pak 21
2 Ernesto S. Tachauer Velcro Industries B.V. 21
#4 Michael Grinnall Custom-Pak 15
#5 Leif Solheim Genencor International 14
#6 James E. Byrns Custom-Pak 13
#7 Robert A. Dombro Chemplex 12
#7 Kevin J. James Toyota 12
#7 Greg Miller Guardian Glass 12
#10 Norman E. Lloyd Nabisco Brands 11
#10 Jeffrey Scott Anderson Custom-Pak 11
#12 John T. Bahns US Air Force 9
#12 William Kirch Chemplex 9
#14 Richard A. Wandler GE 8
#14 Eric R. Choban E.I. Du Pont De Nemours And 8
#16 Steven Dean Eggers Custom-Pak 7
#16 Adrian P. Kightlinger Grain Processing 7
#16 Pamela Jo Naeve Custom-Pak 7
#19 William H. Hulsebusch Sears Manufacturing 6
#19 Donald E. Perrin — 6
#21 Carl R. Starkey John Deere 5
#21 Steven W. Neff Thyssen-Bornemisza 5
#21 Mark M. Rutenbeck Custom-Pak 5
#21 James Myers Inno-Spin 5
#25 Andrew William Simonson Penn State 4
#25 James M. Wiese Custom-Pak 4
#25 Kurt Bormann Limacorporate S P.A. 4
#25 Yu-Tang Hwang Chemplex 4
#25 Louis S. Hurst Nabisco Brands 4
#30 Brent Schrader Custom-Pak 3
#30 Duane N. Winterfeldt The Esab Group 3
#30 Edwin L. Speakman Standard Brands Incorporated 3
#30 Daniel E. Koranda Custom-Pak 3
#30 Craig J. Bormann Custom-Pak 3
#30 Richard K. Roberts E.I. Du Pont De Nemours And 3
#30 Alan Gickler Johnson Manufacturing 3
#30 William B. Lindsey E.I. Du Pont De Nemours And 3
#38 Gina E. Aronson — 2
#38 Clay Bahnsen Custom-Pak 2
#38 John McDonnell Caterpillar 2
#38 Robert J. Considine E.I. Du Pont De Nemours And 2
#38 Anthony J. Manatt — 2
#38 Aryon Wayne Shondel C. & E. Fein Gmbh 2
#38 Grant T. Van Duzee Standard Brands Incorporated 2
#38 Raymond C. Schneckloth — 2
#38 Frederic LePrevost Johnson Manufacturing 2
#38 Justin J. Stewart Illinois Tool Works 2
#38 Tom Kao Verbatim 2
#38 Matthew R. Sidlinger Genesis Systems 2
#38 Jon Spencer Richardson Custom-Pak 2

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