Walter J. Langendorfer, Jr.

📍 Lansdowne, PA: #174 of 290 inventorsTop 60%

🗺 Pennsylvania: #43,221 of 74,527 inventorsTop 60%

Overall (All Time): #4,081,405 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4244273	Rifle modification	David W. Coffin, Sr.	1981-01-13