Marine City, MI 1989

11 patents  ·  4 inventors  ·  2.4/1k pop.

Ranked #3,367 of 20,767 cities Top 20%

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Donald D. Bartholomew Proprietary Technology 8
2 Harvey C. Collins Unknown 1
2 Albert E. Holm — 1
2 Mark G. Ketcham Bundy 1

Part of Michigan