Dreu E. Crane

📍 Broken Arrow, OK: #120 of 587 inventorsTop 25%

🗺 Oklahoma: #2,630 of 12,736 inventorsTop 25%

Overall (All Time): #1,285,950 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
5778933	Orifice fitting	—	1998-07-14
5758692	Orifice fitting	—	1998-06-02
5588467	Orifice fitting	—	1996-12-31
5327938	Adjustable orifice fitting carrier for a pipeline orifice fitting	—	1994-07-12