U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Famous Patents

William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Examiner: Johnston, J.


Primary examiner statistics: 0 patents; average approval time: N/A
Assistant examiner statistics: 8 patents; average approval time: 591 days

Patents as Primary Examiner

Patent No. Patent Title:
No patents.

Patents as Assistant Examiner

Patent No. Patent Title:
4985205 Test carrier analysis system
4792435 Oxygen generating system
4769221 Chemical reaction apparatus
4737463 Photoactivatable time-temperature indicator
4732736 Analytical element for the detection hydrogen peroxide
4702889 Liquid sampling valve
4647532 Method for determination of hydrogen peroxide by chemiluminescenc...
4640819 Stress crack reduction in polycarbonate parts
 
Sign InRegister
Username  
Password   
forgot password?