Michigan — Patent Inventors 1989

Top Cities in Michigan 1989

Rank	City	Patents	Inventors
#1	Midland, MI	462	307
#2	Ann Arbor, MI	355	244
#3	Troy, MI	151	97
#4	Detroit, MI	113	83
#5	Birmingham, MI	101	71
#6	Livonia, MI	96	74
#7	Holland, MI	95	76
#8	Grand Rapids, MI	94	63
#9	Sterling Heights, MI	93	79
#10	Farmington Hills, MI	83	63
#11	Mount Clemens, MI	81	61
#12	Southfield, MI	81	63
#13	Rochester, MI	79	59
#14	Bloomfield Hills, MI	75	52
#15	Warren, MI	68	57
#16	Kalamazoo, MI	65	48
#17	Canton, MI	62	39
#18	Dearborn, MI	61	46
#19	Beverly Hills, MI	61	39
#20	Ypsilanti, MI	54	42
#21	Saginaw, MI	49	42
#22	Royal Oak, MI	47	36
#23	Northville, MI	43	26
#24	Utica, MI	43	38
#25	Novi, MI	36	21

Rank	Inventor	City	Company	Patents
1	Keith V. Leigh-Monstevens	Troy	Automotive Products, Plc	14
2	Robert B. Login	Woodhaven	Isp Investments	13
3	Stanford R. Ovshinsky	Bloomfield Hills	Energy Conversion Devices	9
3	Ritchie A. Wessling	Midland	The Dow Chemical	9
3	Charles F. Schwender	Dexter	Warner-Lambert Company	9
#6	Gordon W. Goodrich	Grand Rapids	Bissell	8
#6	Edwin P. Plueddemann	Midland	Dow Corning	8
#6	Henry J. Rosendall	Grand Rapids	Bissell	8
#6	Donald D. Bartholomew	Marine City	Proprietary Technology	8
#6	Volker-Bernd Fiedler	Detroit	Bayer Healthcare	8
#6	Donald L. Schmidt	Midland	The Dow Chemical	8
#6	David T. Connor	Ann Arbor	Warner-Lambert Company	8
#6	Charles H. Tuckey	Cass City	Walbro	8
#6	Gregory L. Wedel	Kalamazoo	Beloit	8
#6	Russell O. Blanchard	Zeeland	Batts	8
#16	John S. Kiely	Ann Arbor	Warner-Lambert Company	7
#16	Ken Havelock	Sault Ste. Marie	—	7
#16	Rose A. Ryntz	Clinton Township	E.I. Du Pont De Nemours And	7
#16	Edwin L. Gannaway	Adrian	Tecumseh Products	7
#16	Nathaniel L. Field	Northville	Ford	7
#16	Michael R. Levine	Pinckney	Honeywell	7
#16	Loren A. Haluska	Midland	Dow Corning	7
#23	Leo Tarhay	Sanford	Dow Corning	6
#23	Roderick J. Sorenson	Ann Arbor	Warner-Lambert Company	6
#23	Takashi Okano	Wixom	Pioneer Electronic	6