Do I have a good chance at legal compensation for the adverse effects?

Do some research on pensing litigation and consult an attorney.

Can I receive pay for the time I was off?

Consult a local WC attorney. Use the finder if you need help.

What is workman's comp's responsibility to pay until patient goes back to work?

Presumably he wa released with restrictions. If the employer offers work within those restrictions than your husband has to take it or they can...

Can I be sued for slander if I post the original guys name (*the only one whose name I know) and my experience?

You can certainly give opinions and express your dissatisfaction without any problems. You might want to file a police report regarding the theft.

Consult with a personal injury attorney as soon as possible.

Can i sue

Yes but unless it is a great case with huge damages and your friend has serious money than it is probably not a good idea.

And what is the statute of limitation on a case our how many years can the defense side keep holding out on a case from settle

SOL not relevan ask your attorney regarding status. These cases can take years in litigation.

Not sure what a reasonable settlement amount is for knee injury at office building

Consult an attorney before you do anything to harm your case.

Does a Fireman have a duty to act to save someone who is drowning?

Consult with local counsel but I do not think this would be a viable theory based on the facts presented.

Involved in the accident how to best proceed?

Consult a personal injury attorney as soon as possible.