22 Utility and 1 Design Patents
#37 in Solon, OH
#2,171 in Ohio
#75,488 in US
#148,339 in the World
rank by utility patentsForward Citations = 499
Company Filing History:
Indian Head Inc.
Thyssen-bornemisza Inc.
Other
4. 1 out of 122
The Lamson & Sessions Co.
5. 1 out of 4
Tbg Inc.
where one patent can have more than one assignee
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