4. Office supplies; artists and teachers materials
  5. Equipment for writing, drawing, or for fine arts
  6. Writing or drawing surface, e.g., blackboard, drawing board,...

Charles D. Robertson, Jr.

Inventor

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

Details

Inventor

active

Erasable marker board assembly

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Chalkboard or equivalent means having easily erasable surface
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Frameless cork board

Office supplies; artists and teachers materials – Office equipment not elsewhere specified – Holder or file
Design Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Marker board

Office supplies; artists and teachers materials – Equipment for writing – drawing – or for fine arts – Writing or drawing surface – e.g. – blackboard – drawing board,...
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

Charles D. Robertson, Jr. does not yet have a rating. At this time, there are no reviews or comments for this inventor.

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

Rate now

     

Profile ID: LFUS-PAI-P-618140

  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