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Robert A. Kaiser

LOLongyear™: 1 patents #7 of 20Top 35%

Palmer, IA: #1 of 2 inventorsTop 50%

Iowa: #8,735 of 15,303 inventorsTop 60%

Overall (All Time): #4,094,211 of 4,157,543Top 100%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4281722	Retractable bit system	John Tucker, Ronald E. Cozad	1981-08-04