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Francis D. Logan — 2 Patents

CICamco International: 2 patents #17 of 68Top 25%

Houston, TX: #8,651 of 21,073 inventorsTop 45%

Texas: #52,441 of 125,132 inventorsTop 45%

Overall (All Time): #2,355,469 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4553310	Integrally formed sidepocket mandrel	—	1985-11-19
4201265	Sidepocket mandrel and method of making	James M. Thomason	1980-05-06