On March 20, 1883, Jan Matzeliger was issued patent for a “lasting device for shoes”. This invention made the mass production of inexpensive shoes possible.…
Tag: TDIPH
This Day in Patent History - On March 19, 1850, Phineas Quimby was issued a patent for a machine for Steering Ships and Steamboats
On March 19, 1850, Phineas Quimby was issued a patent for a machine for Steering Ships and Steamboats. Quimby was a watch and clockmaker…
This Day in Patent History - On March 18, 1947, Quinlan Pretzel Company patented a Pretzel twisting machine
On March 18, 1947, Quinlan Pretzel Company patented a Pretzel twisting machine. Pretzel is a type of baked bread product made from dough most commonly…
This Day in Patent History - On March 17, 1845, Stephen Perry (a British inventor and businessman) received a patent for the first rubber band
On March 17, 1845, Stephen Perry (a British inventor and businessman) received a patent for the first rubber band. Rubber band has been holding things…
This Day in Patent History - The iconic "Imbertson inflatable gate" was patented on March 16, 1965
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 Day in Patent History - On March 15, 1951, Pierre Leglise filed a patent for an apparatus for justifying typewritten material
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…
This Day in Patent History - Chester Greenwood Day" is celebrated in the honor of the invention of earmuffs
On March 13, 1877, Chester Greenwood received a patent for earmuffs. Chester Greenwood invented the earmuff in 1873, at the age of 15. He reportedly…
This Day in Patent History - On February 28, 1956, Jay Forrester was awarded a patent for RAM
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…
This Day in Patent History - On February 27, 1900, Felix Hoffman patented acetyl salicylic acid aka aspirin
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…
This Day in Patent History - On February 26, 1947, W.T. Graham was granted a patent for a Vibrating plow
On February 26, 1947, W.T. Graham was granted a patent for a Vibrating plow, which is sold worlwide to this day. Graham and Hoeme (partners)…