| CA Patent: CA-1,249,922 
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| Spindle lock-up device | 
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| Patentees: |  
 | Joseph F. Ogrinc (exact or similar names) - Cincinnati, OH |  | Paul E. Holmstrom (exact or similar names) - Cincinnati, OH |  
 
 
 
 
 
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| Patent Dates: |  
| Applied: | Oct. 31, 1985 |  
| Granted: | Feb. 14, 1989 |  CIPO Data
 Espacenet patent
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                        Jeff Joslin
 "Vintage Machinery" entry for Kearney & Trecker Corp.
 
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| Description: |  | See US patent 4,570,313, which at the time of issue was assigned to the "G. A. Gray Division, The Warner & Swasey Company". In 1991 that assignment was transferred to Kearney & Trecker Corp. |  |