Questions tagged [us4734658]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
2 votes
0 answers
157 views

Is patent US 4,734,658 A avalible free of change in commercial products? [closed]

In reference to the patent: US 4,734,658 A We are from India, we wish to use this patent in one of our products. Can we use this patent free of charge or we have to pay some amount?
user avatar