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Patent applications and USPTO patent grants for Donahue; Frederick Allen.The latest application filed is for "detecting potential collision damage to printhead".
Patent | Date |
---|---|
Detecting potential collision damage to printhead Grant 8,864,278 - Donahue , et al. October 21, 2 | 2014-10-21 |
Weather based humidity adjustment of printhead maintenance Grant 8,764,155 - Donahue , et al. July 1, 2 | 2014-07-01 |
Geographically based humidity adjustment of printhead maintenance Grant 8,721,036 - Donahue , et al. May 13, 2 | 2014-05-13 |
Detecting Potential Collision Damage To Printhead App 20130222446 - Donahue; Frederick Allen ;   et al. | 2013-08-29 |
Weather Based Humidity Adjustment Of Printhead Maintenance App 20130100196 - DONAHUE; FREDERICK ALLEN ;   et al. | 2013-04-25 |
Indoor Humidity Condition Adjustment Of Printhead Maintenance App 20130100197 - DONAHUE; Frederick Allen ;   et al. | 2013-04-25 |
Geographically Based Humidity Adjustment Of Printhead Maintenance App 20130100195 - DONAHUE; FREDERICK ALLEN ;   et al. | 2013-04-25 |
Paper driven rotary encoder that compensates for nip-to-nip handoff error Grant 6,168,333 - Merz , et al. January 2, 2 | 2001-01-02 |
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