James W. Sigourney

SF Schnabel Foundation: 2 patents #2 of 16Top 15%

📍 Purcellville, VA: #29 of 107 inventorsTop 30%

🗺 Virginia: #9,471 of 34,511 inventorsTop 30%

Overall (All Time): #1,659,167 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5251993	Connecting structure	—	1993-10-12
5002436	Soil reinforcement system with adjustable connection system for connecting precast facing panels and soil nails	—	1991-03-26
4913594	Adjustable connection system for precast facing panel and soldier pile	—	1990-04-03