Iowa — Patent Inventors 1989 | Patent Leaderboard

Top Cities in Iowa 1989

Rank	City	Patents	Inventors
#1	Cedar Rapids, IA	78	62
#2	Ames, IA	64	52
#3	Dubuque, IA	40	26
#4	Des Moines, IA	29	25
#5	Iowa City, IA	23	23
#6	Davenport, IA	22	19
#7	Cedar Falls, IA	20	17
#8	Ankeny, IA	19	17
#9	Bettendorf, IA	18	12
#10	West Des Moines, IA	16	12
#11	Waterloo, IA	16	16
#12	Council Bluffs, IA	15	7
#13	Ottumwa, IA	15	13
#14	Newton, IA	15	8
#15	West Burlington, IA	14	9
#16	Marion, IA	13	13
#17	Spirit Lake, IA	13	7
#18	De Witt, IA	12	9
#19	Muscatine, IA	12	8
#20	Corydon, IA	7	4
#21	Mason City, IA	7	7
#22	Sioux City, IA	7	7
#23	Marshalltown, IA	6	6
#24	Onawa, IA	6	2
#25	Coralville, IA	6	4

Rank	Inventor	City	Company	Patents
1	Timothy A. Deutsch	Newton	John Deere	8
1	Steven C. Griffis	Council Bluffs	—	8
3	Duane L. Mosch	Muscatine	Truth Holding	5
#4	Byron L. Godbersen	Ida Grove	—	4
#4	James T. Rumbaugh	Spirit Lake	Berkley	4
#4	Robert R. Johnson	Cedar Rapids	Energy Conversion Devices	4
#4	John A. Frommelt	Dubuque	Frommelt Industries	4
#4	Jay H. Olson	Bettendorf	John Deere	4
#9	Lyle R. Strathman	Cedar Rapids	Rockwell International	3
#9	Allen C. Wiley	Coralville	—	3
#9	David J. Nebel	Dubuque	Tdj Incorporated	3
#9	James E. Byrns	De Witt	Custom-Pak	3
#9	Ronald L. Branstetter	Dubuque	Nippon Colin Company	3
#9	John D. Verhoeven	Ames	Iowa State University	3
#9	Richard W. Reynolds	Ames	Sundstrand	3
#9	Joseph W. Langenfeld	Onawa	Westendorf Manufacturing Co.	3
#9	Randy J. Randleman	Gowrie	Those Characters From Cleveland	3
#9	Neal W. Westendorf	Onawa	Westendorf Manufacturing Co.	3
#9	Robert J. Weber	Boone	Iowa State University	3
#9	James R. Edwards	Smiths	Compaq Computer	3
#9	Claude M. Frisbee	Bettendorf	J. I. Case	3
#9	Brad J. Benit	Spirit Lake	Berkley	3
#9	Thomas E. Rolle	Dubuque	Tdj Incorporated	3
#9	Eugene G. Sukup	Hampton	Sukup Manufacturing	3
#9	William Prindle	Ames	Robinson Knife Manufacturing Co.	3