Answer:i believe it is patents. i could be wrong
Explanation:
To protect your interests, consider two common strategies employed by inventors, amateur and professional alike. First, you can file a provisional patent application (if your invention is patent able)
Plug it into pc and wahlah
This question has a ton of answers to it but, here are some basic ideas to help you out
- Cars 1900's vs today
- Computers 1980's vs today
- Guns 1800's vs today
- Televisions 1900's vs today
- Telescopes/Microscopes