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Patent applications and USPTO patent grants for Whiting Roll-Up Door Mfg. Corp..The latest application filed is for "self-tightening side lock for a roll-up door".
Patent | Date |
---|---|
Self-tightening side lock for a roll-up door Grant 5,704,663 - Clay, Jr. January 6, 1 | 1998-01-06 |
Pivotal ladder Grant 5,163,531 - Whiting November 17, 1 | 1992-11-17 |
Side lock for a roll-up door Grant 5,022,691 - Clay, Jr. June 11, 1 | 1991-06-11 |
Guard members for preventing shifting cargo from intefering with the operation of a roll-up door Grant 4,991,639 - Clay, Jr. , et al. February 12, 1 | 1991-02-12 |
Roll-up door joint construction Grant 4,930,561 - Clay June 5, 1 | 1990-06-05 |
Plastic hinged and weatherstripped metal overhead door Grant 4,771,816 - Clay, Jr. September 20, 1 | 1988-09-20 |
Roller assembly Grant 4,379,479 - Whiting April 12, 1 | 1983-04-12 |
Roller assembly Grant 4,306,756 - Whiting December 22, 1 | 1981-12-22 |
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