DH

Donald J. Heil

AS American Hospital Supply: 2 patents #63 of 315Top 20%
DI Dentsply International: 1 patents #93 of 235Top 40%
📍 Lake Villa, IL: #54 of 228 inventorsTop 25%
🗺 Illinois: #15,122 of 84,256 inventorsTop 20%
Overall (All Time): #865,912 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7955079 Dental prophylaxis angle and handpiece assembly Benjamin Chronister, Jeremy Kile, Peter Werner, Bret Beane, James Sherman +1 more 2011-06-07
5040980 Dental handpiece with spring grip chuck and lever release mechanism 1991-08-20
5039304 Quick connect/disconnect coupling for dental handpieces 1991-08-13
5033960 Dental handpiece connector assembly with replaceable air-cooled lamp and insertion/extraction tool therefor 1991-07-23
4340366 Water/air spray system for dental handpiece 1982-07-20
4330279 Fluid spray system for dental handpiece Thomas W. Albert 1982-05-18