The “Imbertson inflatable gate” was an inflatable rubber dam patented by Norman Imbertson. Norman Imbertson worked at the Los Angeles Department of Water and Power…
This invention saved time required to achieve justification of typewritten material. On March 15, 1951, Pierre Leglise filed a patent for an apparatus for justifying…
Critical Features disclosed in this patent 1. Related to the patents of Tesla and Charles F. Peck, numbers: US381968 and US382280; 2. Ordinary forms of…
The company claims it can harvest useful amounts of electricity directly from the atmosphere. This is a controversial claim. However, the technology can definitely help…
Windsocks are conical textile tubes that are often installed at airports and at chemical plants where there is risk of gaseous leakage. They are sometimes…
On February 28, 1956, Jay Forrester was awarded a patent for his coincident current magnetic core memory. Forrester’s invention became the standard memory device for…
Within a two-week period in August 1897, Felix Hoffmann synthesized two drugs: aspirin, one of the most widely beneficial drugs ever, and heroin, one of…
