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Robert H. Plfeger

PIPflow Industries: 1 patents #7 of 9Top 80%

Milwaukee, WI: #1,543 of 2,770 inventorsTop 60%

Wisconsin: #23,834 of 40,088 inventorsTop 60%

Overall (All Time): #3,768,969 of 4,157,543Top 95%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5408789	Overhead security door	—	1995-04-25