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Roy A. Langdon

BEBeloit: 2 patents #51 of 198Top 30%

Beloit, WI: #80 of 201 inventorsTop 40%

Wisconsin: #17,084 of 40,088 inventorsTop 45%

Overall (All Time): #2,357,727 of 4,157,543Top 60%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4444364	Self-aligning core chuck	Carl B. Dahl	1984-04-24
4300714	Method and apparatus for silencing of webs	Carl B. Dahl, Jere W. Crouse	1981-11-17