我公司从不知道该探照灯由专利问题，特此说明的翻译：I never knew that the searchlight by patent issues, hereby description 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I never know the searchlight from the company's patent issues, it is noted

I never knew that the searchlight by patent issues, hereby description

Our company ever did not know this searchlight by the patent question, explained specially

My company had never knew that the searchlight from patent problems, hereby description

I never knew that the searchlight by patent issues, hereby description