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Patent applications and USPTO patent grants for Drayton; Walker E..The latest application filed is for "safety hook".
Patent | Date |
---|---|
Safety hook Grant 4,309,052 - Drayton January 5, 1 | 1982-01-05 |
Theft-deterrent chain locking device Grant 4,057,982 - Drayton November 15, 1 | 1977-11-15 |
Theft deterrent chain locking device Grant 3,939,677 - Drayton February 24, 1 | 1976-02-24 |
Spreader Beam Fitting Grant 3,831,993 - Drayton , et al. August 27, 1 | 1974-08-27 |
Grab Hook Grant 3,741,599 - Drayton June 26, 1 | 1973-06-26 |
Energy Absorbing Tie-down Winch Grant 3,679,175 - Drayton July 25, 1 | 1972-07-25 |
Hook For Load-carrying Device Grant 3,633,960 - Drayton January 11, 1 | 1972-01-11 |
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