4 Utility Patents
#280 in Plymouth, MI
#20,397 in Michigan
#481,089 in US
Forward Citations = 2
Company Filing History:
Hoya Optical Labs of America, Inc.


where one patent can have more than one assignee
Get your Inventor Badge Today
#280 in Plymouth, MI
#20,397 in Michigan
#481,089 in US
Company Filing History:


Get your Inventor Badge Today