19 Utility Patents
#335 in Chicago, IL
#3,250 in Illinois
#91,783 in US
#181,321 in the World
Forward Citations = 336
Company Filing History:

Other
Marvin Glass & Associates
4. 1 out of 189

5. 1 out of 17
Cambridge Silversmiths Ltd., Inc.
where one patent can have more than one assignee
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