PatentAuction.com lists patented inventions available for sale or licensing. Inventors can list their patented inventions (or patent pending) for sale. New inventions for sale are added on a daily basis !
Home    List your patent    My account     Help     Support us    

The Round Door

[Category : - Construction Processes & Equipment]
[Viewed 27 times]

This door is useful for making it easier to retrieve items without opening the door. For example, if there are items from Gojek or from a mail sender. In the middle of the door, there is a round glass to see the outside, and below it, there is a rectangular hole to give or receive items. The glass can be covered with a cover.

Patent publications:

No publication
Asking price:

Make an offer

Rate this patent

Like Great invention
Viewed: 27 times

Seller:

k1ng (Indonesia)

Ask a question
or start a negotiation

Contact the seller

Share on social media












[ Home | List a patent | Manage your account | F.A.Q.|Terms of use | Contact us]

Copyright PatentAuction.com 2004-2017
Page created at 2025-11-04 18:06:16, Patent Auction Time.