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name:-0.014564990997314
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Yenulis; Glenn Patent Filings

Yenulis; Glenn

Patent Applications and Registrations

Patent applications and USPTO patent grants for Yenulis; Glenn.The latest application filed is for "rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms".

Company Profile
0.4.0
  • Yenulis; Glenn - Adger AL
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms
Grant 5,279,365 - Yenulis , et al. January 18, 1
1994-01-18
Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms
Grant 5,277,249 - Yenulis , et al. January 11, 1
1994-01-11
Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms
Grant 5,224,557 - Yenulis , et al. July 6, 1
1993-07-06
Rotary blowout preventer adaptable for use with both kelly and overhead drive mechanisms
Grant 5,178,215 - Yenulis , et al. January 12, 1
1993-01-12

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