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Dennis J. Penisson

BTBilco Tools: 14 patents #1 of 5Top 20%

WSWellbore Specialties: 4 patents #1 of 5Top 20%

OSOffshore Energy Services: 2 patents #2 of 8Top 25%

Houma, LA: #3 of 353 inventorsTop 1%

Louisiana: #111 of 10,876 inventorsTop 2%

Overall (All Time): #146,397 of 4,157,543Top 4%

27 Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #	Title	Co-Inventors	Date
4718314	Power chain wrench	William E. Coyle, Sr.	1988-01-12
4712284	Power tongs with hydraulic friction grip for speciality tubing	William E. Coyle, Sr.	1987-12-15