Schoolman Scientific Corp.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G09G ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION 1150

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5281957 Portable computer and head mounted displayJul 10, 91Jan 25, 94[G09G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6415792 Anesthesia machine with head worn displayExpiredSep 05, 95Jul 09, 02[A61M]
5677728 Stereoscopic video telecommunication systemExpiredFeb 28, 94Oct 14, 97[H04N]
5493595 Stereoscopically displayed three dimensional medical imagingExpiredJun 02, 94Feb 20, 96[G03C, G06F]
5488952 Stereoscopically display three dimensional ultrasound imagingExpiredMay 31, 94Feb 06, 96[G03C, A61B]
5215539 Vacuum strip apparatus for surgeryExpiredOct 12, 88Jun 01, 93[A61M]
5019828 High resolution navigation and mapping systemExpiredNov 16, 90May 28, 91[G01S]
4947868 Protective cuff apparatus for surgeryExpiredAug 08, 88Aug 14, 90[A61G]
4936318 Vacuum barrierExpiredMay 16, 89Jun 26, 90[A61L]
4737972 Stereoscopic fluoroscope arrangementExpiredNov 21, 86Apr 12, 88[H04N, A61B, H05G]
4706117 Stereo laser disc viewing systemExpiredDec 17, 85Nov 10, 87[H04N]
4651201 Stereoscopic endoscope arrangementExpiredNov 14, 84Mar 17, 87[H04N]
4559555 Stereoscopic remote viewing systemExpiredJun 01, 84Dec 17, 85[H04N]
4483562 Locking flexible shaft device with live distal end attachmentExpiredOct 16, 81Nov 20, 84[B25J]
4408844 Eyeglass frame with structural spare keyExpiredJul 30, 81Oct 11, 83[G02B]
4395731 Television microscope surgical method and apparatus thereforExpiredOct 16, 81Jul 26, 83[H04N]

Top Inventors for This Owner

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