RH

R. Craig Hannah

ET Eti Technologies: 7 patents #2 of 8Top 25%
Overall (All Time): #763,946 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5845542 Dynamic balancing method and apparatus Paul Wierzba, John P. M. Doyle, Randy W. Perusse 1998-12-08
5829318 Dynamic balancing method and apparatus Paul Wierzba, John P. M. Doyle, Randy W. Perusse 1998-11-03
5816115 Weight compensating method and apparatus Gary R. Taylor, Paul Wierzba 1998-10-06
5768951 Dynamic balancing method and apparatus Paul Wierzba, John P. M. Doyle, Randy W. Perusse 1998-06-23
5724862 Dynamic balancing method and apparatus Paul Wierzba, John P. M. Doyle, Randy W. Perusse 1998-03-10
5613408 Weight compensating method and apparatus Gary R. Taylor, Paul Wierzba 1997-03-25
5605078 Weight compensating method and apparatus Gary R. Taylor, Paul Wierzba 1997-02-25