Episode #125 of the Stack Overflow podcast is here. We talk Tilde Club and mechanical keyboards. Listen now

Questions tagged [us5693489]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
1
vote
1answer
199 views

How is US5693489 patent different from US4952496?

From what I can tell, the language in these patents are exactly same with the exception of the degree of detail outlined in the claims. Claim 1, 1a, and 1b of US5693489 appear to re-phrasing claims 12,...