DA

David W. Ambrose

MM Martin Marietta Materials: 1 patents #15 of 34Top 45%
WA Wacker: 1 patents #24 of 42Top 60%
GE: 1 patents #19,878 of 36,430Top 55%
📍 Waukesha, WI: #191 of 1,162 inventorsTop 20%
🗺 Wisconsin: #6,037 of 40,088 inventorsTop 20%
Overall (All Time): #663,328 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
D498920 Dual compartment holder for eyeglasses and contact lens case 2004-11-30
6390034 Reciprocating impact tool having two-cycle engine oil supply system Gregory J. Orzal, Todd Skibinski 2002-05-21
6213418 Variable throw eccentric cone crusher and method for operating the same Michael R. Gabriel, Ulhas S. Sawant 2001-04-10
6036129 Eccentric cone crusher having multiple counterweights 2000-03-14
6000648 Cone crusher having integral socket and main frame 1999-12-14
5870813 Hydraulic spring crusher Karl W. Droese 1999-02-16
5649669 Hydraulic spring crusher Karl W. Droese 1997-07-22
4829844 Power assist handle Jonathan C. Boomgaarden, Marlene R. A. Bandoian 1989-05-16