17 Patents
#3 in Grandville, MI
#666 in Michigan
#18,344 in US
#34,876 in the World
Hadley Products
17 inventors:
Grandville, MI, United States of America
17 inventors (with patents filed for the assignee):
Curtis A Trudeau (10 out of 10 patents)
Dick E Winter (7 out of 7 patents)
Gary L Schafer (6 out of 7 patents)
4. Robert D Sorum (4 out of 4 patents)
5. Loralye Sorum, Legal Representative (3 out of 3 patents)
6. Robert C Dattilo (3 out of 3 patents)
7. Karl H Hanft (2 out of 4 patents)
8. Edward A Gahan (2 out of 4 patents)
9. David N Sizemore (2 out of 3 patents)
10. Mark W Lempke (2 out of 2 patents)
11. Jaret M Shawl (2 out of 2 patents)
12. Kirk A Lilly (2 out of 2 patents)
13. Christopher M Dutton (1 out of 4 patents)
14. Mark W Pierce (1 out of 8 patents)
15. Henry M Anderson, Jr (1 out of 9 patents)
17 patents:
#3 in Grandville, MI
#666 in Michigan
#18,344 in US
#34,876 in the World
17 inventors: