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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Lin; An-Chung R.
Address:
Fairport, NY
No. of patents:
6
Patents:












Patent Number Title Of Patent Date Issued
4228028 Ball point pen, ink, and its eradicator system October 14, 1980
Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink also neutralizes the eradicator
4227930 Ball point pen, ink, and its eradicator system October 14, 1980
Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink also neutralizes the eradicator
4213717 Ball point pen, ink and its eradicator system July 22, 1980
Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink also neutralizes the eradicator
4171982 Acid indicator based high saturation sympathetic ink having time delayed disappearance October 23, 1979
Disclosed is an ink that is intensely colored in solution with the vehicle of the ink. The ink "disappears" or becomes invisible to the naked eye after a period of time has elapsed from the application of the ink to a record document, the ink being utilized to identify an unsatisfactory
4162164 Cyanine dye based high saturation sympathetic ink having time delayed disappearance July 24, 1979
Disclosed is an ink that is intensely colored in solution with the vehicle of the ink. The ink "disappears" or becomes invisible to the naked eye after a period of time has elapsed from the application of the ink to a record document. The ink being utilized to identify an unsatisfactory
4156657 Ball point pen, ink and its eradicator system May 29, 1979
Disclosed is a ball point ink pen, its ink and its eradicator. The ink is carried at one end of the pen and the eradicator portion is carried at the other. If an error is made, the pen can be reversed and the eradicator used to neutralize the ink. The ink also neutralizes the eradicator










 
 
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