AH

Alma A. Hutchins

HM Hutchins Manufacturing: 10 patents #2 of 6Top 35%
🗺 California: #60,666 of 386,348 inventorsTop 20%
Overall (All Time): #528,016 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5253990 Fluid device with wear reducing rotor assembly 1993-10-19
5022190 Wet sanding tool 1991-06-11
4839995 Abrading tool 1989-06-20
4671020 Power sander with pad containing air-flow passages 1987-06-09
4671019 Portable power operated sander 1987-06-09
4660329 Powered abrading tool 1987-04-28
4592170 Orbital abrading or polishing tool Donald H. Hutchins, Ronald Boord 1986-06-03
D269845 Abrading tool 1983-07-26
4297114 Vacuum cleaner having bag cleaning apparatus 1981-10-27
D256881 Portable powered sander 1980-09-16