1 Patents
#267 in Grand Rapids, MI
#4,584 in Michigan
#136,540 in US
Vari-Tech Company
Forward Citations = 9
4 inventors:
Grand Rapids, MI, United States of America
4 inventors (with patents filed for the assignee):
Fred D Litty (1 out of 3 patents)
Roger E Helms (1 out of 1 patent)
Floyd Brouwer (1 out of 3 patents)
4. Merlin J Applegate (1 out of 3 patents)
1 patent:
#267 in Grand Rapids, MI
#4,584 in Michigan
#136,540 in US
4 inventors: