DC

David C. Calamia

OM Outboard Marine: 7 patents #49 of 426Top 15%
📍 Grayslake, IL: #108 of 548 inventorsTop 20%
🗺 Illinois: #13,022 of 84,256 inventorsTop 20%
Overall (All Time): #766,327 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5277634 Lower unit torpedo configuration Erick L. Gruber 1994-01-11
5195914 Two-stage tilt cylinder mechanism for marine propulsion stern bracket assembly Gregory J. Binversie, David Hall, H. Norman Petersen 1993-03-23
5180320 Trim switch for tiller-steered outboard Gregory J. Binversie, H. Norman Petersen 1993-01-19
5030147 In-trimming hydraulic circuit Gregory J. Binversie 1991-07-09
4870929 Multi-cylinder engine with uniform cylinder sensitivity to knocking James E. Macier, Gregory J. Binversie, John M. Daniels 1989-10-03
4599979 Upper crankshaft bearing lubrication system for two-cycle engine Paul W. Breckenfeld, George Broughton, James E. Macier 1986-07-15
4569415 Air silencer for an internal combustion engine Paul W. Breckenfeld, George Broughton, James E. Macier 1986-02-11