Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5277323 | Locking wedge assembly to removably secure a male connection member in an articulated-type coupling arrangement | William D. Wallace, David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow | 1994-01-11 |
| 5219082 | Male connection member for an articulated coupling arrangement | David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace | 1993-06-15 |
| 5172819 | Bearing assembly for an articulated coupling apparatus which connects adjacent ends of a pair of railway cars together | David W. Daugherety, Jr., Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace | 1992-12-22 |
| 5139159 | Connecting pin for articulated coupling arrangement | David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace | 1992-08-18 |
| 5131331 | Articulated coupling apparatus for connecting adjacent ends of a pair of railway cars | David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace | 1992-07-21 |
| 5115927 | Strengthening mechanism for a female articulated coupling member for providing additional strength in response to loads exerted at bearing assembly connection shaft | William D. Wallace, David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow | 1992-05-26 |
| 5105955 | Spherical connector apparatus in an articulated slackless-type coupler arrangement used in a railway application | Michael G. Hawryszkow, William D. Wallace, David W. Daugherty, Jr., Wajih Kanjo | 1992-04-21 |
| 5080243 | Assembly mechanism for an articulated coupling system | David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace | 1992-01-14 |
| 5065679 | Articulated coupling apparatus for connecting adjacent ends of a pair of railway cars together in a semipermanent manner | William D. Wallace, David W. Daugherty, Jr., Wajih Kanjo, Michael G. Hawryszkow | 1991-11-19 |
| 5042393 | Locking assembly to secure a bearing assembly in an articulated coupling apparatus for connecting adjacent ends of a pair of railway cars | Wajih Kanjo, Michael G. Hawryszkow, William D. Wallace, David W. Daugherty, Jr. | 1991-08-27 |