4. Illumination
  5. Self powered lamp
  6. Rechargeable electrical source of with external connections

Ronald O. Hammel

Inventor

Rate now
  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Inventor

active

Battery charger and power supply circuitry

Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Battery pack and container

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Plural cells
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Multiple power source automatic switching circuitry

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rechargeable battery with current limiting means

Batteries: thermoelectric and photoelectric – Thermoelectric – Radiation pyrometer
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Rechargeable flashlight

Illumination – Self powered lamp – Rechargeable electrical source of with external connections
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

No associations

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Ronald O. Hammel does not yet have a rating. At this time, there are no reviews or comments for this inventor.

If you have personal experience with Ronald O. Hammel, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ronald O. Hammel will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-P-489801

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.

Canada

 Charities
 Companies
 MP Candidates
 Patents
 Employee Salary Disclosure

World

 Places of the World
 Scientific Papers

United States

 Banks
 Companies
 Counties
 Patents
 Employee Salary Disclosure