8 Utility Patents
#174 in Tulsa, OK
#1,255 in Oklahoma
#254,223 in US
#520,178 in the World
Forward Citations = 251
Company Filing History:

John Zink Company, a Division of Koch Engineering Company, Inc.
Get your Inventor Badge Today
#174 in Tulsa, OK
#1,255 in Oklahoma
#254,223 in US
#520,178 in the World
Company Filing History:

Get your Inventor Badge Today