DW

David M. Walker

RC Ranco Co.: 1 patents #12 of 48Top 25%
Overall (All Time): #2,368,120 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4353050 Displacement measuring transducer Alan Pelczyk, Robert F. Purssell, Alfred J. Woollard, Albert L. Fowler, Alan G. Henderson +1 more 1982-10-05
4284990 Position sensing transducer Albert L. Fowler, Alan G. Henderson, Alastair K. Stevenson 1981-08-18