3 ms·

I just looked it up - yes, and far in advance of the timeframe This is (or was) a very small business. An office and a warehouse, basically.

• otterley 9mo ago
  Can you link to the patent?
• dlcarrier 9mo ago
  Patents last up to 20 years, assuming all maintenance fees are paid, so having a patent far in advance of an event may mean it's no longer valid.