Science Experiments for Kids

(Ron) #1

See some amazing inventions patented in service of Halloween.


History of Halloween
Halloween Costumes
Halloween Masks
Halloween - Pumpkin Carving
Halloween Novelties
Halloween Tombstones


Halogen Lights
Also lightbulbs, lighting and other lamps.
Handbags
The earliest handbags that have been verified historically were small sacks carried by
gentlemen containing pomanders (scented spices and oranges), flint and money.
Hangers
Today’s wire coat hanger was inspired by a clothes hook patented in 1869, by O. A. North
of New Britain, Connecticut.
Hardware Tools
The inventors behind several common household tools.
Harpsicord
The history behind musical instruments and their inventors.
Hats
The history of hats and wigs.
Hearing Related
The history of hearing aids and more.
Helicopter
The history of helicopters.
Highways
The history of roads and asphalt.
Hills Hoist
A rotary clothes line developed and marketed by Australian, Lance Hill in 1945.
HIV Protease Inhibitors
First invented between 1989 and 1994.
Hockey
The game we know today was first played in Montreal in 1875, according to rules devised
by a McGill student.
Hole Punch
C. B. Brooks patented an early paper punch, also called a ticket punch. His had a built-in
receptacle on one of the jars to collect the round pieces of waste paper and prevent
littering.
Holography/Holograms

Free download pdf