23 Utility Patents
#1 in Hebron, OH
#1,989 in Ohio
#69,941 in US
#136,624 in the World
Forward Citations = 180
Company Filing History:


Rotary Drilling Services, Inc.
where one patent can have more than one assignee
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#1 in Hebron, OH
#1,989 in Ohio
#69,941 in US
#136,624 in the World
Company Filing History:


Get your Inventor Badge Today