| ▲ | lelandfe 10 hours ago | |
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. | ||
| ▲ | dlcarrier 4 hours ago | parent | next [-] | |
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up to 20 years, assuming all maintenance fees are paid, so having a patent far in advance of an event may mean it's no longer valid. | ||
| ▲ | otterley 9 hours ago | parent | prev [-] | |
Can you link to the patent? | ||