RICHARD B. ALEXANDRES

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5315253 Method and apparatus for measuring the voltage and charge of a batteryAug 28, 92May 24, 94[H02J, G01N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5418088 Laser inscribed battery caseExpiredOct 06, 93May 23, 95[H01M]
D356065 Battery housing for a portable radio telephoneExpiredJun 09, 92Mar 07, 95[]
D355158 Battery housing for a communications transceiverExpiredJun 09, 92Feb 07, 95[]
D350330 Personal battery chargerExpiredApr 14, 93Sep 06, 94[]
D349093 Cellular telephone batteryExpiredFeb 11, 92Jul 26, 94[]
D349094 Battery housing for a communication transceiverExpiredJun 09, 92Jul 26, 94[]
D348044 Battery housing for a portable radio telephoneExpiredJun 09, 92Jun 21, 94[]
5314764 Flexible welding board for battery packExpiredOct 13, 92May 24, 94[H01M]
5298712 Welding system for a battery packExpiredAug 06, 92Mar 29, 94[B23K]
D344926 Battery housing for a portable radio telephoneExpiredJun 09, 92Mar 08, 94[]
D337985 Battery chargerExpiredMay 29, 91Aug 03, 93[]
5196779 Battery maintenance systemExpiredNov 16, 89Mar 23, 93[H02J]
4806840 Method and apparatus for charging a nickel-cadmium batteryExpiredDec 15, 86Feb 21, 89[H02J]
4749934 Intrinsically safe battery circuitExpiredNov 07, 86Jun 07, 88[H02J, H02H]

Top Inventors for This Owner

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